1.Gene mutation takes place in
A. Deoxyribonucleric acid
B. Chloroplast
C. Mitochondrion
D. Ribosome
2. The kinds of ribonucleic acid present in any plant cell will be
A. 2
B. 4
C. 3
D. 5
3.Which of the following hormones is responsible for the emotional states such as fear, anger and tension and a rise in blood pressure and heart rate?
A. Somatotrophin
B. Oxytocin
C. Thyroxine
D. Adrenaline
4. Which among the following lens is used to correct Presbyopia?
A.Convex
B.Concave
C.Bifocal
D.Cylindrical
5. Trimethylxanthine is a chemical name of a stimulant which is found in tea and coffee. What is the popular name?
A. Thein
B. Caffeine
C. Theobromine
D. Theophylline
6. A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is
A.O positive
B.A positive
C.B positive
D.Cannot be determined on the basis of the given data
7.A sandy and saline area is the natural habitat of an Indian animal species. The animal has no predators in that area but its existence is threatened due to the destruction of its habitat. Which one of the following could be that animal?
A.Indian wild buffalo
B.Indian wild ass
C.Indian wild boar
D.Indian gazelle
8. With reference to the soil conservation, consider the following practices:
1. Crop relation
2. Sand fences
3. Terracing
4. Wind breaks
Which of the above are considered appropriate methods for soil conservation in India?
A. 1, 2 and 3 only
B. 2 and 4 only
C. 1, 3 and 4 only
D. 1, 2, 3 and 4
9. The vestiges of hind limbs are present in
A. Cobra
B. Sea snake
C. Krait
D. Python
10. Glucose is a
A. protein
B. disaccharide
C. nucleic acid
D. monosaccharide
Answers will be provided soon..!!!
No comments:
Post a Comment