353. Which of the following statements are not correct about transgenic animals #S&T
Anonymous Quiz
16%
it is used to study how genes are regulated and its impact on normal functions of the body.
24%
it is used to test the safety of vaccines before human use.
44%
Transgenic animals are less sensitive to the toxicity of drugs than non-transgenic animals.
16%
it can produce useful biological products for medicines
355. Which of the following diseases are not caused by fungi #S&T
Anonymous Quiz
18%
Brown rust of wheat
21%
Red rot of sugarcane
29%
late blight of potato
32%
black rot of crucifers
356. Which of the followings are biofertilisers #S&T
Anonymous Quiz
6%
Rhizobium
4%
Azotobacter
6%
Blue Green Algae
84%
all of the above
358. What would happen if phytoplankton of an ocean is completely destroyed for some reason? #S&T
359. Consider the following kinds of organisms: 1. Bat 2. Bee 3. Bird Which of the above is/are pollinating agents? #S&T
Anonymous Quiz
4%
1 and 2 only,
8%
2 only,
3%
1 and 3 only,
85%
1,2 and 3
407. A Person with 'AB' blood group is sometimes called a universal recipient because of the #S&T
Anonymous Quiz
23%
lack of antigen in the blood
29%
lack of antibodies in the bloood
25%
lack of both antigens and antibodoes in his blood
22%
presence of antibodies in his blood
408. Which of the following elements are present in all proteins #S&T 1. Carbon
2. Hydrogen
3. Oxygen 4. Nitrogen #S&T
2. Hydrogen
3. Oxygen 4. Nitrogen #S&T
Anonymous Quiz
12%
2 and 3
20%
1, 2 and 4
13%
1, 3 and 4
54%
1, 2, 3, and 4
409. Fat present below the skin surface in our body acts as a barrier against
#S&T
#S&T
Anonymous Quiz
49%
loss of heat from the body
17%
loss of essential body fluids
14%
loss of salts from the body
21%
entry of harmful microorganisms from the environment
410. which of the following professional/s are more likely to run the risk of permanent change in their cell's DNA?
1. Researchers using carbon 14 isotope
2. X-Ray technicians 3. Coal Miner 4. Dyer and Painters #S&T
1. Researchers using carbon 14 isotope
2. X-Ray technicians 3. Coal Miner 4. Dyer and Painters #S&T
Anonymous Quiz
26%
2 alone
25%
1, 2, and 3
34%
1,2, and 4
15%
1, 3 and 4
412. Which of the following statement is/are true about Melanin
a) It is contained in the outermost layer of epidermis.
b) It is opaque to ultra-violet light c) It resists in mechanical damger to skin and bacterial invasion #S&T
a) It is contained in the outermost layer of epidermis.
b) It is opaque to ultra-violet light c) It resists in mechanical damger to skin and bacterial invasion #S&T
Anonymous Quiz
25%
A and B
11%
B only
17%
C only
47%
A, B and C
414. Antigen is a substance which
#S&T
#S&T
Anonymous Quiz
2%
lowers body temp.
21%
destroys harmful bacteria
69%
triggers the immune system
7%
is used as an antidote to poison
416. Which of the following features of DNA makes it uniquely suited to store and transmit genetic information from generation to generation?
#S&T
#S&T
Anonymous Quiz
23%
Complementary strands
44%
Double helix
24%
Number of base pair per turn
9%
Sugar Phospate backbone