21. An egg is a
(A) Single celled
(B) Multi celled
(C) Binary celled
(D) None of the above
22. ………..egg is the largest.
(A) Human
(B) Ostrich
(C) Frog
(D) Snake
23. IVF stands for
(A) Inside vitro fertilisation
(B) Inside vitro fertilisation
(C) In vitro fertilisation
(D) None of the above
24. In vitro fertilisation means
(A) Fertilisation outside the body
(B) Fertilisation in the test tube
(C) Fertilisation in the laboratory
(D) Fertilisation in others woman uterus
25. Frogs egg is covered with a layer of …………….
(A) Jelly
(B) Shell
(C) Cytoplasm
(D) Both A and B
26. What is the work of embryo in uterus?
(A) Developing body parts
(B) Developing cells
(C) Developing tissues
(D) All of the above
27. Choose the correct life cycle of frog
(A) Eggs–> early tadpole–>late tadpole –>adult frog
(B) Eggs–>tadpole–>Adult frog
(C) Eggs –>early tadpole –>Mature tadpole–>late tadpole–>adult tadpole
(D) None of the following
28. Each sperm is a
(A) Single cell
(B) Multi cell
(C) Binary cell
(D) None of the above
29. Binary fission is a method of ………….reproduction.
(A) Asexual
(B) Sexual
(C) Single cell
(D) Multi cell
30. ………… reproduces by dividing itself into two.
(A) Amoeba
(B) Budding
(C) Hydra
(D) Dolly
Answers:-
| 21- (A) | 22-(B) | 23-(C) | 24-(A) | 25-(A) | 26-(D) | 27-(A) | 28-(A) | 29-(A) | 30-(A) |