வேதநதி

Biology Full Syllabus

BOTANY

Section-A

1.Which of the following is against the rules of ICBN?

Hand written scientific names should be underlined.
Every species should have a generic name and a specific epithet.
Scientific names are in Latin and should be italized.
Generic and specific names should be written starting with small letters.

2.Mad cow disease in cattle is caused by an organism which has :-

inert crystalline structure
abnormally folded protein
free RNA without protein coat
free DNA without protein coat

3.Which of the following statements is correct ?

Lichens do not grow in polluted areas.
Algal component of lichens is called mycobiont.
Fungal component of lichens is called phycobiont
Lichens are not good pollution indicators.

4.Match the organisms in column-I with habitats in column-II

Column-I	Column-II
(a) Halophiles	(i) Hot springs
(b) Thermoacidophiles	(ii) Aquatic environment
(c) Methanogens	(iii) Guts of ruminants
(d) Cyanobacteria	(iv) Salty area

Select the correct answer from the options given below :-

(a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)

5.In the dicot root the vascular cambium originates from :-

Tissue located below the phloem bundles and a portion of pericycle tissue above protoxylem.
Cortical region.
Parenchyma between endodermis and pericycle.
Intrafascicular and interfascicular tissue in a ring.

6.Which of the following shows whorled phyllotaxy ?

Mustard
China rose
Alstonia
Calotropis

7.Regeneration of damaged growing grass following grazing is largely due to :-

Lateral meristem
Apical meristem
Intercalary meristem
Secondary meristem

8.Bicarpellary ovary with obliquely placed septum is seen in :-

Brassica
Aloe
Solanum
Sesbania

9.Which is the most common type of embryo sac in angiosperms ?

Tetrasporic with one mitotic stage of divisions
Monosporic with three sequential mitotic divisions
Monosporic with two sequential mitotic divisions
Bisporic with two sequential mitotic divisions

10.From the following, identify the correct combination of salient features of Genetic Code :-

Universal, Non-ambiguous, Overlapping
Degenerate, Overlapping, Commaless
Universal, Ambiguous, Degenerate
Degenerate, Non-overlapping, Non-ambiguous

11.Which scientist experimentally proved that DNA is the sole genetic material in bacteriophage ?

Beadle and Tautum
Messelson and Stahl
Hershey and Chase
Jacob and Monod

12.In the process of transcription in Eukaryotes, the RNA polymerase I transcribes :-

mRNA with additional processing, capping and tailing
tRNA, 5 SrRNA and snRNAs
rRNAs28 S, 18 S and 5.8 S
Precursor of mRNA, hnRNA

13.In which genetic condition, each cell in the affected person, has three sex chromosomes XXY ?

Thalassemia
Kleinfelter's Syndrome
Phenylketonuria
Turner's Syndrome

14.What initiation and termination factors are involved in transcription in Eukaryotes ?

s and r, respectively
a and b, respectively
b and g, respectively
a and s, respectively

15.Which of the following statements is correct about the origin and evolution of men ?.

Agriculture came around 50,000 years back.
The Dryopithecus and Ramapithecus primates existing 15 million years ago.
Homo erectus probably ate meat.
Neanderthal men lived in Asia between 1,00,000 and 40,000 years back.

16.The production of gametes by the parents, the formation of zygotes, the F$_2$ and F$_2$ plants, can be understood using

Pie diagram
A pyramid diagram
Punnet square
Wenn diagram

17.Match the column I with column II

Column-I	Column-II
(a) Golgi apparatus	(i) Synthesis of protein
(b) Lysosomes	(ii) Trap waste and excretory products
(c) Vacuoles	(iii) Formation of glycoproteins and glycolipids
(d) Ribosomes	(iv) Digesting biomolecules

Choose the right match from options given below :-

(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
(a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
(a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)

18.Prosthetic groups differ from co-enzymes in that :-

they require metal ions for their activity.
they (prosthetic groups) are tightly bound to apoenzymes.
their association with apoenzymes is transient.
they can serve as co-factors in a number of enzyme-catalyzed reactions.

19.Crossing over takes place between which chromatids and in which stage of the cell cycle ?

Non-sister chromatids of non-homologous chromosomes at Zygotene stage of prophase I.
Non-sister chromatids of homologous chromosomes at Pachytene stage of prophase I.
Non-sister chromatids of homologous chromosomes at Zygotene stage of prophase I.
Non-sister chromatids of non-homologous chromosomes at Pachytene stage of prophase I.

20."Ramachandran plot" is used to confirm the structure of :-

RNA
Proteins
Triacylglycerides
DNA

21.Which of the following is not a feature of active transport of solutes in plants ?

Occurs against concentration gradient
Non-selective
Occurs through membranes
Requires ATP

22.Which of the following bacteria reduce nitrate in soil into nitrogen ?

Nitrobacter
Nitrococcus
Thiobacillus
Nitrosomonas

23.What will be the direction of flow of water when a plant cell is placed in a hypotonic solution ?

Water will flow in both directions
Water will flow out of the cell
Water will flow into the cell
No flow of water in any direction

24.Where is respiratory electron transport system (ETS) located in plants ?

Mitochondrial matrix
Outer mitochondrial membrane
Inner mitochondrial membrane
Intermembrane space

25.In Hatch and Slack pathway, the primary CO$_2$ acceptor is -

Oxaloacetic acid
Phosphoglyceric acid
Phosphoenol pyruvate
Rubisco

26.Removal of shoot tips is a very useful technique to boost the production of tea-leaves. This is because

Gibberellins prevent bolting and are inactivated
Auxins prevent leaf drop at early stages
Effect of auxins is removed and growth of lateral buds is enhanced.
Gibberellins delay senescence of leaves.

27.One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:

Violet and green light
Indigo and green light
Orange and yellow light
Blue and red light

28.In order to increase the yield of sugarcane crop, which of the following plant growth regulators should be sprayed?

Ethylene
Auxins
Gibberellins
Cytokinins

29.What type of pollination takes place in Vallisneria?

Pollination occurs in submerged condition by water
Flowers emerge above surface of water, and pollination occurs by insects.
Flowers emerge above water surface, and pollen is carried by wind.
Male flowers are carried by water currents to female flowers at surface of water

30.In which one of the following, both autogamy and geitonogamy are prevented?

Wheat
Papaya
Castor
Maize

31.Match the placental types (column-I) with their examples (column-II)

Column-I	Column-II
(a) Basal	(i) Mustard
(b) Axile	(ii) China rose
(c) Parietal	(iii) Dianthus
(d) Free central	(iv) Sunflower

Choose the correct answer from the following options:

(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
(a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

32.A selectable marker is used to:

help in eliminating the non-transformants, so that the transformants can be regenerated
identify the gene for a desired trait in an alien organism
select a suitable vector for transformation in a specific crop
mark a gene on a chromosome for isolation using restriction enzyme

33.Western Ghats have a large number of plant and zanimal species that are not found anywhere else. Which of the following terms will you use to notify such species?

Endemic
Vulnerable
Threatened
Keystone

34.Which of the following statements about ozone is correct?

Tropospheric ozone protects us from UV radiations.
Stratospheric ozone is 'bad'
Tropospheric ozone is 'good'
Stratospheric ozone protects us from UV radiations.

35.Exploration of molecular, genetic and species level diversity for novel products of economic importance is known as:

Biopiracy
Bioenergetics
Bioremediation
Bioprospecting

BOTANY

Section-B

ZOOLOGY

Section-A

1.After meiosis I, the resultant daughter cells have

Same amount of DNA as in the parent cell in S phase
Twice the amount of DNA in comparison to haploid gamete.
Same amount of DNA in comparison to haploid gamete
Four times the amount of DNA in comparison to haploid gamete

2. Which of the following organic compounds is the main constituent of Lecithin ?

Arachidonic acid
Phospholipid
Cholesterol
Phosphoprotein

3.Match the items given in column I with those in column II and choose the correct option :

Column I	Column II
(a) Rennin	(i) Vitamin B$_{12}$
(b) Enterokinase	(ii) Facilitated transport
(c) Oxyntic cells	(iii) Milk proteins
(d) Fructose	(iv) Trypsinogen

a-iii, b-iv, c-ii, d-i
a-iv, b-iii, c-i, d-ii
a-iv, b-iii, c-ii, d-i
a-iii, b-iv, c-i, d-ii

4.Kwashiorkor disease is due to :-

Simultaneous deficiency of proteins and fats
Simultaneous deficiency of proteins and calories
Deficiency of carbohydrates
Protein deficiency not accompanied by calorie deficiency

5.Select the correct sequence of events :

Gametogenesis $→$ Gamete transfer $→$ Syngamy $→$ Zygote $→$ Cell division (Cleavage) $→$ Cell differentiation $→$ Organogenesis
Gametogenesis $→$ Gamete transfer $→$ Syngamy $→$ Zygote $→$ Cell division (Cleavage) $→$ Organogenesis $→$ Cell differentiation
Gametogenesis $→$ Syngamy $→$ Gamete transfer $→$ Zygote $→$ Cell division (Cleavage) $→$ Cell differentiation $→$ Organogenesis
Gametogenesis $→$ Gamete transfer $→$ Syngamy $→$ Zygote $→$ Cell differentiation $→$ Cell division (Cleavage) $→$ Organogenesis

6.Which of the following hormones is responsible for both the milk ejection reflex and the foetal ejection reflex ?

Estrogen
Prolactin
Oxytocin
Relaxin

7.No new follicles develop in the luteal phase of the menstrual cycle because

Follicles do not remain in the ovary after ovulation
FSH levels are high in the luteal phase
LH levels are high in the luteal phase
Both FSH and LH levels are low in the luteal phase

8.In Australia, marsupials and placental mammals have evolved to share many similar characteristics. This type of evolution may be referred to as :

Adaptive Radiation
Divergent Evolution
Cyclical Evolution
Convergent Evolution

9. Match the items of column I with column II

Column I	Column II
(a) XX-XO method	(i) Turner's of sex determination syndrome
(b) XX-XY method	(ii) Female of sex determination heterogametic
(c) Karyotype-45	(iii) Grasshopper
(d) ZW-ZZ method	(iv) Female of sex determination homogametic

Select the correct option from the following :

a-ii, b-iv, c-i, d-iii
a-i, b-iv, c-ii, d-iii
a-iii, b-iv, c-i, d-ii
a-iv, b-ii, c-i, d-iii

10.What will be the sequence of mRNA produced by the following stretch of DNA ?
3'ATGCATGCATGCATG5' TEMPLATE STRAND
5' TACGTACGTACGTAC3' CODING STRAND

3'AUGCAUGCAUGCAUG5'
5'UACGUACGUACGUAC 3'
3' UACGUACGUACGUAC 5'
5' AUGCAUGCAUGCAUG 3'

11.Match the following enzymes with their functions :

(a) Restriction endonuclease	(i) Joins the DNA endonuclease fragements
(b) Restriction exonuclease	(ii) Extends primers exonuclease on genomic DNA template
(c) DNA ligase	(iii) Cuts DNA at specific position
(d) Taq polymerase	(iv) Removes nucleotides from the ends of DNA

Select the correct option from the following :

a-iii, b-i, c-iv d-ii
a-iii, b-iv, c-i, d-ii
a-iv, b-iii, c-i, d-ii
a-ii, b-iv, c-i, d-iii

12.The two antibiotic resistance genes on vector pBR322 are for

Ampicillin and Tetracycline
Ampicillin and Chloramphenicol
Chloramphenicol and Tetracycline
Tetracycline and Kanamycin

13.Carnivorous animals - lions and leopards, occupy the same niche but lions predate mostly larger animals and leopards take smaller ones. This mechanism of competition is referred to as -

Character displacement
Altruism
Resource partitioning
Competitive exclusion

14.Decline in the population of indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be categoriesd as

Co-extinction
Habitat fragmentation
Over exploitation
Allen species invasion

15.Match the following RNA polymerase with their transcribed products :

(a) RNA polymerase I	(i) tRNA
(b) RNA polymerase II	(ii) rRNA
(c) RNA polymerase III	(iii) hnRNA

Select the correct option from the following :

a-i, b-iii, c-ii
a-i, b-ii, c-iii
a-ii, b-iii, c-i
a-iii, b-ii, c-i

16. In a marriage between male with blood group A and female with blood group B, the progeny had either blood group AB or B. What could be the possible genotype of parents ?

$I^A$i(Male) : $ I^BI^B$(Female)
$I^AI^A$(Male) : $ I^BI^B$(Female)
$I^AI^A$(Male) : $ I^B$i(Female)
$I^A$i(Male) : $ I^B$i(Female)

17.A population of a species invades a new area. Which of the following condition will lead to Adaptive Radiation ?

Area with large number of habitats having very low food supply
Area with a single type of vacant habitat
Area with many types of vacant habitats
Area with many habitats occupied by a large number of species

18.Identify A, B and C in the diagramatic representation of the mechanism of hormone action.

Select the correct option from the following :

A-Steroid Hormone; B-Hormone-receptor Complex, C-Protein
A-Protein Hormone, B-Receptor; C-Cyclic AMP
A-Steroid Hormone; B-Receptor, C - Second Messenger
A-Protein Hormone; B-Cyclic AMP, C-Hormone-receptor Complex

19.A-Protein Hormone; B-Cyclic AMP, C-Hormone-receptor Complex produces antibodies to neutralize pathogens. Still innate immune system is present at the time of birth because it

is very specific and uses different macrophages.
produces memory cells for mounting fast secondary response.
has natural killer cells which can phagocytose and destroy microbes.
provides passive immunity.

20.Which of the following statements is not correct?

An action potential in an axon does not move backward because the segment behind is in a refractory phase
Depolarisation of hair cells of cochlea results in the opening of the mechanically gated potassium -ion channels.
Rods are very sensitive and contribute to daylight vision.
In the knee-jerk reflex, stimulus is the stretching of muscle and response is its contraction.

21.Match the following joints with the bones involved:

(1) Gliding joint	(i) Between carpal and metacarpal of thumb
(2) Hinge joint	(ii) Between Atlas and Axis
(3) Pivot joint	(iii) Between the carpals
(4) Saddle joint	(iv) Between Humerus and Ulna.

Select the correct option from the following:

(a)-(iii), (b)-(iv), (c)-(ii), d-(i)
(a)-(iv), (b)-(i), (c)-(ii), d-(iii)
(a)-(iv), (b)-(ii), (c)-(iii), d-(i)
(a)-(i), (b)-(iii), (c)-(ii), d-(iv)

22.Which of the following diseases is an autoimmune disorder?

Myasthenia gravis
Arthritis
Osteoporosis
Gout

23.Artificial light, extended work-time and reduced sleeptime disrupt the activity of

Thymus gland
Pineal gland
Adrenal gland
Posterior pituitary gland

24.Which of the following conditions will stimulate parathyroid gland to release parathyroid hormone?

Fall in active Vitamin D levels
Fall in blood Ca$^{2+}$ levels
Fall in bone Ca$^{2+}$ levels
Rise in blood Ca$^{2+}$ levels

25.Which of the following is a correct statement?

IUDs once inserted need not be replaced.
IUDs are generally inserted by the user herself
IUDs increase phagocytosis of sperms in the uterus.
IUDs suppress gametogenesis.

26.Which of the following sexually transmitted diseases do not specifically affect reproductive organs?

Genital warts and Hepatitis-B
Syphilis and Genital herpes
AIDS and Hepatitis B
Chlamydiasis and AIDS

27.Match the following genera with their respective phylum:

(a) Ophura	(i) Mollusca
(b) Physalia	(ii) Platyhelminthes
(c) Pinctada	(iii) Echinodermata
(d) Planaria	(iv) Coelenterata

Select the correct option:

(a)-(iv), (b)-(i), (c)-(iii), d-(ii)
(a)-(iii), (b)-(iv), (c)-(i), d-(ii)
(a)-(i), (b)-(iii), (c)-(iv), d-(ii)
(a)-(iii), (b)-(iv), (c)-(ii), d-(i)

28.Which of the following animals are true coelomates with bilateral symmetry?

Adult Echinoderms
Aschelminthes
Platyhelminthes
Annelids

29.The contrasting characteristics generally in a pair used for identification of animals in Taxonomic Key are referred to as :

Lead
Couplet
Doublet
Alternate

30.Match the following cell structure with its characteristic feature:

(a) Tight junctions	(i) Cement neighbouring cells together to form sheet
(b) Adhering	(ii) Transmit Junctions information through chemical to another cells
(c) Gap junctions	(iii) Establish a barrier to prevent leakage of fluid across epithelial cells
(d) Synaptic junctions	(iv) Cytoplasmic channels to facilitate communication between adjacent cells

Select correct option from the following

(a)-(ii), (b)-(iv), (c)-(i), d-(iii)
(a)-(iv), (b)-(ii), (c)-(i), d-(iii)
(a)-(iii), (b)-(i), (c)-(iv), d-(ii)
(a)-(iv), (b)-(iii), (c)-(i), d-(ii)

31.Which of the following statements is INCORRECT?

Cockroaches exhibit mosaic vision with less sensitivity and more resolution.
A mushroom- shaped gland is present in the 6$^{th}$-7$^{th}$ abdominal segments of male cockroach.
A pair of spermatheca is present in the 6$^{th}$ segment of female cockroach.
Female cockroach possesses sixteen ovarioles in the ovaries.

32.Select the correct statement.

Expiration occurs due to external intercostal muscles
Intrapulmonary pressure is lower than the atmospheric pressure during inspiration.
Inspiration occurs when atmospheric pressure is less than intrapulmonary pressure.
Expiration is initiated due to contraction of diaphragm.

33.The maximum volume of air a person can breathe in after a forced expiration is known as :

Expiratory Capacity
Vital Capacity
Inspiratory Capacity
Total lung Capacity

34.All the components of the nodal tissue are autoexcitable. Why does the SA node act as the normal pacemakar?

SA node has the lowest rate of depolarisation.
SA node is the only component to generate the threshold potential.
Only SA node can convey the action potential to the other components.
SA node has the highest rate of depolarisation.

35.A specialised nodal tissue embedded in the lower corner of the right atrium, close to Atrio-ventricular septum, delays the spreading of impulses to heart apex for about 0.1 sec. The delay allows.

blood to enter aorta.
the ventricles to empty completely.
blood to enter pulmonary arteries.
the atria to empty completely.

ZOOLOGY

Section-B

1.Match the following parts of a nephron with their function:

(a) Descending limb	(i) Reabsorption of salts of Henle's loop only
(b) Proximal Convoluted tubule	(ii) Reabsorption of water only
(c) Ascending limb	(iii) Conditional of Henle's loop reabsorption of sodium ion and water
(d) Distal convoluted	(iv) Reabsorption of tubule ion, water and organic nutrients.

Select the correct option from the following :

(a)-(i), (b)-(iii), (c)-(ii), d-(iv)
(a)-(ii), (b)-(iv), (c)-(i), d-(iii)
(a)-(i), (b)-(iv), (c)-(ii), d-(iii)
(a)-(iv), (b)-(i), (c)-(iii), d-(ii)

2.Match the items in Column-I with those in Column-II:

Column-I	Column-II
(a) Podocytes	(i) Crystallised oxalates
(b) Protonephridia	(ii) Annelids
(c) Nephridia	(iii) Amphioxus
(d) Renal calculi	(iv) Filtration slits

Select the correct option from the following :

(a)-(iii), (b)-(iv), (c)-(ii), d-(i)
(a)-(iii), (b)-(ii), (c)-(iv), d-(i)
(a)-(iv), (b)-(iii), (c)-(ii), d-(i)
(a)-(iv), (b)-(ii), (c)-(iii), d-(i)

3.Which of the following receptors are specifically responsible for maintenance of balance of body and posture?

Basilar membrane and otoliths
Hair cells and organ of corti
Tectorial membrane and macula
Crista ampullaris and macula

4.Which of the following cell organelles is present in the highest number in secretory cells ?

Mitochondria
Golgi complex
Endoplasmic reticulum
Lysosomes

5.Non-membranous nucleoplasmic structures in nucleus are the site for active synthesis of

Protein synthesis
mRNA
rRNA
tRNA

6.Which of the following nucleic acids is present in an organism having 70S ribosomes only ?

Single stranded DNA with protein coat
Double stranded circular naked DNA
Double stranded DNA enclosed in nuclear membrane
Double stranded circular DNA with histone proteins

7. The main difference between active and passive transport across cell membrane is :

Passive transport is non-selective whereas active transport is selective
Passive transport requires a concentration gradient across a biological membrane whereas active transport requires energy to move solutes
Passive transport is confined to anionic carrier proteins whereas active transport is confined to cationic channel proteins
Active transport occurs more rapidly than passive transport

8.Select the incorrect statement regarding inbreeding

Inbreeding helps in elimination of deleterious alleles from the population
Inbreeding is necessary to evolve a pureline in any animal
Continued inbreeding reduces fertility and leads to inbreeding depression
Inbreeding depression can not be overcome by out-crossing

9.A biocontrol agent to be a part of an integrated pest management should be

Species-specific and symbiotic
Free living and broad spectrum
Narrow spectrum and symbiotic
Species-specific and inactive on non-target organisms

10.Exploitation of bioresources of a nation by multinational companies without authorization from the concerned country is referred to as-

Bioweapon
Biopiracy
Bioethics
Biowar

11.Which of the following taxa contain exclusively marine animals?

Echinoderms, hemichordates only
Ctenophores, echinoderms only
Ctenophores, echinoderms, hemichordates, protochordates
Ctenophores, echinoderms, hemichordates, cnidarians

12.Which one of the following types of cell is involved in making of the inner walls of large blood vessels?

Cuboidal epithelium
Columnar epithelium
Squamous epithelium
Stratified epithelium

13.Liver is the largest gland and is associated with various functions, choose one which is not correct?

Metabolism of carbohydrate
Digestion of fat
Formation of bile
Secretion of hormone called gastrin

14.A person suffers punctures in his chest cavity in an accident, without any damage to the lungs, its effect could be

Reduced breathing rate
Rapid increase in breathing rate
No change in respiration
Cessation of breathing

15.One of the commonest symptoms observed in people infected with dengue fever is

Significant decrease in RBC count
Significant decrease in WBC count
Significant decrease in platelets count
Significant increase in platelets count