REPRODUCTION IN ORGANISMS
1.Zygote develops into:
2.Period of pregnancy is called:
3.Reproduction is a biological process in which an organism give rise to young ones (offspring) similar to itself. An organism’s method of reproduction depends upon factors:
4.Clones are
5.Bud grafting is commonly used in:
6.Strobilanthus kunthiana is also called
7.Asexual reproduction is a method of reproduction in which participation of_____takes place
8.An example of corm is
9.Pollination is
10.Which is correct about anthers? They are:
11.Vivipary is observed in:
12.Breeding of crops with high levels of minerals, vitamins and proteins is called:
13.Corm is modification of:
14.‘Unisexual female flower is called staminate’. The above statement is
15.Embryo sac is found in:
16.A Single Menstrual cycle is completed in:
17.If the parent body is haploid then the gametes are
18.Offsprings formed by sexual reproduction exhibit more variation than those formed by asexual reproduction because
19.‘Unisexual male flower is called pistillate’. The above statement is
20.During oogenesis, each diploid oocyte produces:
21.Menstrual cycle is
22.Use of stem cutting is common method of vegetative propagation. Juvenile wood grows roots more readily than mature wood. The superior rooting of juvenile cutting may be due to:
23.Rhizopus reproduces asexually by:
24.Which of the following have haploid plant body in most of organisms?
25.The condition in which male and female parts present on the different plant, is called
26.In diploid organism the gamete producing cells are called
27.Hydra reproduces by binary fission. This sentence is
28.Stem cuttings are employed in the propagation of:
29.Self-fertilisation occurs in the
30.Female gametes are also called
31.In vegetative propagation, characters of parent plants are:
32.Asexual reproduction is carried out by:
33.In which pair both the plants can be vegetatively propagated by leaf pieces?
34.Micropropagation is based on:
35.‘Gemmule formation is a common mode of reproduction in Paramecium’
36.Female gamete undergoes development to form new organisms without fertilization. The process called parthenogenesis. It occurs in:
37.Grafting is attempted in those plants which show:
38.Many scientists consider viruses as living entities because these:
39.The most significant value of vegetative propagation is that:
40.Bamboo plant flowers only once in their life time, generally 50-100 years, produce larger number of fruits and die. Blue stretches were formed by flowering of plant. Strobilanthus kunthiana in Kerala, Karnataka and Tamil Nadu. It flowers once in how many years?
41.Eyes on the potato, sugar cane, ginger are
42.Embryogenesis is the process of development of
43.Where does syngamy occur in ____
44.Parthenogenesis is the process in which new organism is formed
45.Oestrus cycle is cyclic changes in the activities of ovaries and accessory duct during
46.One of the following is not a method of asexual reproduction:
47.During favourable conditions, Amoeba reproduces by:
48.Which of the following is pollinated by water?
49.In potato, vegetative propagation takes place by:
50.Which of the following is hermaphrodite?