Question

II. ) Answer ALL the questions.
31-3
1) Each question carries 1 mark
What is meant by multiple fission?
Naturally in some plants like banana, ovary directly develops into fruit without the process of
fertilization. Name the phenomenon and phytohormone involved in it.
What would be the consequences if there is no reproduction in organisms?
III. i) Answer ALL the questions.
3 x 2 = 6
ii) Each question carries 2 marks
10. How can a paramecium produce offspring that are more tolerant? Name the method used by
paramecium for this process.
11. How will you appreciate reproduction that helps in the perpetuation of life?
12. Your father wants to grow a single plant having two desirable characters - colourful flowers
and big fruits. What method will you suggest him and why?
IV. i) Answer ALL the questions.
2 x 4 = 8
ii) Each question carries 4 marks.
iii) There is an internal choice for each question. Only one option from each question is
to be attempted
13. Draw a neat diagram of human female reproductive system and label the parts.
(or)
Study the following table and answer the questions that follow.
S. No. Mode of reproduction Examples
1.
Binary fission
I 2. L
B
Yeast
Fragmentation
Fern
i. Complete the following table by filling the blanks A, B, C and D.
ii. What is binary fission? Give one more example for the organism that reproduce through B.
iii. What is meant by sporophyll? How can you observe the spores of a fern plant?
iv. Do you find any similarities between Rhizopus and fern spores and sporangia?
14. Explain the term foetus. Write a note on childbirth.
(or)
What is meant by mycelium? In which organism do you observe this structure? How would
prepare a temporary slide of this organism?
Α.​

Answer 1

Answer:

may I can't tell the answer but anybody else rather than me can tell the answer