Welcome to your Science Quiz 43
1.
Assertion (A): Human diet should compulsorily contain Glycerin, Serine, and Tyrosine. Reason (R): Essential amino acids cannot be synthesised in the human body. [2002]
2.
Which of the following cell organelles play the most significant role in protein synthesis? [2001]
3.
Assertion (A): Scientists can cut apart and paste together DNA molecules at will, regardless of the source of the molecules. Reason (R): DNA fragments can be manipulated using restriction endonucleases and DNA ligases. [2001]
4.
The cellular and molecular control of programmed cell death is known as: [2001]
5.
Which organelle in the cell, other than nucleus, contains DNA? [2001]
6.
Epiphytes are plants which depend on other plants for: [2001]
7.
Antigen is a substance which: [2001]
8.
Which of the following features of DNA makes it uniquely suited to store and transmit genetic information from generation to generation? [2001]
9.
Match List I with List II and select the correct answer using the codes given below the Lists: [2001]
List I (Bone)Â
- Breast-boneÂ
- Collar-bone
III. Knee-cap
- Shoulder blade
List II (Name)
- A) Clavicle
- B) Patella
- C) Scapula
- D) Sternum
10.
Consider the following statements: [2001]
- Tapeworm is a hermaphrodite.Â
- Round-worms have separate sexes. III. Filaria is caused by a nematode. IV. Guinea-worm is an annelid.Â
Which of these are correct?
