Reproductive Health — BIOLOGY STD 12 Science — Question

Fulfillment of a, b, c and d in the table given below.

S.No.	Name of Drug	Plant source	Name of affected part
1	a	Popy plant	B
2	Marijuana	c	d

Which bacterium has been used as a clot buster? What is its mode of action.

What is primary productivity?

Name the bacterium that causes typhoid. Mention two diagnostic symptoms. How is this disease transmitted to others?

Explain how do the following act as contraceptives:

1. CuT
2. ‘Saheli’

Match Column I with Column II.

S. No.	Column I	S. No.	Column II
A.	Acrosome	1.	Motility of sperm towards the egg.
B.	Head	2.	Powerhouse of the sperm; contains a number of mitochondria.
C.	Tail	3.	Contains the genetic material.
D.	Middle piece	4.	Contains enzymes to dissolve egg envelopes.

Give information about Opium.

Does our blood contains proteases and nucleases?

A vector is engineered with three features which facilitate its cloning within the host cell. List the three features and explain each one of them.

If the sequence of one strand of DNA is written as follows: 5'-ATGCATGCATGCATGCATGCATGCATG C-3' Write down the sequence of complementary strand in 5'→ 3' direction