Life Science- CSIR NET, GATE, SET, DHR BRET, BARC & PSC
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The time taken by synaptic vesicles to travel from the soma of a motor neuron in the spinal cord to its neuromuscular junction in a person’s foot by fast axon transport is about
Anonymous Poll
46%
5-10 seconds
37%
10-15 minutesbaby
5%
5-6 hours
11%
2-3 days
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Colour blindness affects approximately 1 in 12 men (8%). In a population that is in Hardy-Weinberg Equilibrium (HWE) where 8% of men are colour- blind due to a sex-linked recessive gene. What proportion of women are expected to be carriers?
Anonymous Quiz
20%
0.92
35%
0.85
21%
0.78
24%
0.15
👍4
The fall armyworm is a recent, fast invading, destructive herbivore in agricultural systems in north India. This pest species belongs to which one of the following Orders?
Anonymous Quiz
21%
Hemiptera
26%
Homoptera
22%
Diptera
31%
Lepidoptera
👍2
The units of molar extinction coefficient are
Anonymous Poll
51%
L mol−1 cm−1
24%
cm−1 mg ml−1
17%
mol−1 mm
8%
mol cm ml−1
👍3
Which of the following constitute the largest reservoir of carbon in the global carbon cycle?
Anonymous Quiz
13%
The atmosphere
39%
The plant biomass on land
6%
Soils
42%
The ocean
👍11
Recently, the Bhaironghati area of Uttarkashi has been declared a conservation centre for a species referred to as the ‘Ghost of the Mountains’. Which one of the following animals does this refer to?
Anonymous Quiz
8%
Marbled cat
40%
Himalayan ibex
19%
Southern kiang
32%
Snow leopard
👍6❤2
Membrane-enclosed organelles often have a characteristic position in the cytosol. In animal cells, for ex. the Golgi apparatus is located close to the nucleus. Which component is directly involved in ensuring correct Golgi localization in animal cells?
Anonymous Quiz
27%
Actin cytoskeleton
49%
Microtubules
14%
Nucleolus
10%
Peroxisomes
Which one of the following statements is true regarding heritability of a quantitative character?
Anonymous Quiz
31%
Mangroves
20%
Cold deserts
41%
Myristica swamps
8%
Riparian forest
👍2
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A newborn baby got mixed up with other babies in a hospital. If the mother is of O blood group and is Rh +ve and the father is of AB blood group and is Rh -ve, which one of the following can be their baby?
Anonymous Poll
32%
AB and Rh +ve
25%
O and Rh -ve
34%
A and Rh +ve
10%
B and Rh –ve
👍7