Which of the following can be made into crystal?
Anonymous Quiz
22%
A virus
33%
A sperm
34%
A bacterium
11%
A amobea
Which of the following are covered by a single membrane?
Anonymous Quiz
33%
Mitochondria
30%
Vacuole
25%
Lysosome
12%
Plastid
Which cell organelle plays a crucial role in detoxifring many poisons and drugs in a cell?
Anonymous Quiz
22%
Golgi apperatus
39%
Lysosome
32%
Smooth endoplasmic recticulum
8%
Mitochondria
The undefined nuclear region of prokaryotes is also known as
Anonymous Quiz
13%
Nuclear
32%
Nucleus
42%
Nucleoid
13%
Nucleous
👍1
Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be:
Anonymous Quiz
27%
1/2 times
29%
3 times
34%
4 times
11%
2/4 times
Which of the following is not one a type of cell found in xylem tissues?
Anonymous Quiz
23%
Trachied
39%
Sieve tube
26%
Vessels
12%
Xyleam parenchyma
Which of the following contains maximum number of molecules?
Anonymous Quiz
17%
1g of co2
30%
1g of O2
20%
1g of h2
34%
1g of so4
An element X is divalent and another element Y is tetravalent. The compound formed by these two elements will be:
Anonymous Quiz
24%
Xy
32%
X2y
29%
Xy2
14%
X3y
When a car driver travelling at a speed of 10 m/s applies brakes and brings the car to rest in 20 s, then the retardation will be:
Anonymous Quiz
22%
+0.2m/s
42%
-0.2m/s
22%
+0.5m/s
14%
-0.5m/s
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Which of the following correctly represents the electronic distribution in the Mg atom?
Anonymous Quiz
12%
3,8,1
28%
2,8,1
52%
2,8,2
9%
2,8,3
Rutherford’s ‘alpha (α) particles scattering experiment’ resulted in the discovery of
Anonymous Quiz
23%
Electron
53%
Nucleus in atom
17%
Proton
7%
Nucleus in neutron
👍1