ZOOLOGY BOTANY CHEMISTRY

Match the organisms given in column 'A' with the vegetative propagules given in column 'B'. Column A (i) Bryophyllum (ii) Agave (iii) Potato (iv) Water hyacinth Column B (a) offset (b) eyes (c) Leaf buds (d) Bulbils (SHORT ANSWER QUESTIONS) (2MARK) (NCERT EXAMPLER)

Which of the followings are monoecious and dioecious organisms? (a) Earthworm..... (b) Chara............, (c) Marchantia....... (d) Cockroach......... (SHORT ANSWER QUESTIONS) (2MARK) (NCERT EXAMPLER)

Rearrange the following events of sexual reproduction in the sequence in which they occur in a flowering plant, embryogenesis, fertilisation, gametogenesis, pollination. (SHORT ANSWER QUESTIONS) (2MARK) (NCERT EXAMPLER)

Although potato tuber is an underground part, it is considered as a stem. (SHORT ANSWER QUESTIONS) (2MARK) (NCERT EXAMPLER)

Fill in the blanks : A. The development of ...... from the zygote is called ... B. Embryonal protection and care are better in ...... animals. C. ...... animals lay eggs. D. In flowering plants, after ......, ovary develops into fruit and ......matures into seeds. (SHORT ANSWER QUESTIONS) (2MARK)

Differentiate between the following: (a) Zoospore and zygote (6) Syngamy and fertilization. (SHORT ANSWER QUESTIONS) (2MARK)

What is Fission? Name the types of fission. (SHORT ANSWER QUESTIONS) (2MARK)

Coconut palm is monoecious while date palm is dioecious. Why are they called so? (SHORT ANSWER QUESTIONS) (2MARK) (CBSE 2008)

Name at least three changes seen in human females that are indicative of reproductive maturity. (SHORT ANSWER QUESTIONS) (2MARK)

Name at least three changes seen in human males that are indicative of reproductive maturity. (SHORT ANSWER QUESTIONS) (2MARK)

Differentiate between parthenocarpy and parthenogenesis. (SHORT ANSWER QUESTIONS) (2MARK)

Give the significance of asexual reproduction? (SHORT ANSWER QUESTIONS)(2MARK)

How do roots take part in vegetative propagation? (SHORT ANSWER QUESTIONS) (2MARK)