1.
Factor responsible for the rapid spread of bread mould on slices of bread are: (i) large number of spores (ii) availability of moisture and nutrients in bread (iii) both similarities and variations with parents (iv) presence of tublar branched hyphae.
2.
Character transmitted from parents to offspring are present in
3.
The number of chromosomes in parents and offsprings of a particular species remains constant due
4.
In a flower, the parts that produce male and female gametes (germ cells) are:
5.
Character that are transmitted from parents to offspring during reproduction show
6.
Vegetative propagation refers to formation of new plants from:
7.
Which among the following statements are true for unisexual flowers? (i) They possess both stamen and pistil (ii) They possess either stamen or pistil (iii) They exhibit cross pollination (iv) Unisexual flowers possessing only stamens cannot produce fruits.
8.
Reproduction is essential for living organisms in order to:
9.
In the list if organism given below, those that reproduce by the asexual method are: (i) banana (ii) dog (iii) yeast (iv) Amoeba
10.
Offspring formed as a result of sexual reproduction exhibit more variations because:
11.
Offspring formed by asexual method of reproduction have greater similarity among themselves because: (i) asexual reproduction involves only one parent (ii) asexual reproduction does not involve gametes (iii) asexual reproduction occurs before sexual reproduction (iv) asexual reproduction occurs after sexual reproduction
12.
Length of pollen tube depends on the distance between:
13.
A feature of reproduction that is common to Amoeba, Spirogyra and Yeast is that:
14.
The correct sequence of reproductive stages seen in flowering plants is:
15.
Which of the following statements are true for flowers? (i) Flowers are always bisexual (ii) They are the sexual reproductive organs (iii) They are produced in all groups of plants (iv) After fertillization, they give rise to fruits
16.
Which of the following is the correct sequence of events of sexual reproduction in a flower?
17.
In Rhizoups, tubular thread-like structure bearing at their tips are called:
18.
Which among the following statements are true for sexual reproduction in following plants? (i) It require two types of gametes (ii) Fertillisation is a compulsory event (iii) It always results in formation of zygote (iv) Offspring formed are clones
19.
In Spirogyra, asexual reproduction takes place by
20.
The ability of cells to divide into several cells during reproductions in Plasmodium is called: .
