Pressure gradient in sieve tubes is maintained by
Anonymous Quiz
10%
Sieve tubes itself
78%
Companion cells
10%
Phloem parenchyma
2%
Phloem fibres
Starch sheath is seen in
Anonymous Quiz
55%
Dicot stem
17%
Dicot root
23%
Monocot stem
5%
Monocot root
In Bernoulli equation the elastic energy of fluid is not taken into consideration.
Anonymous Quiz
65%
True
35%
False
Dividing inertial force by force of viscosity we get,
Anonymous Quiz
32%
Coefficient of viscosity
7%
Density
55%
Reynolds’s number
6%
Surface tension
The correct order of bond length is,
Anonymous Quiz
35%
C=O>C=N>C=C
19%
C=O>C=C>C=N
23%
C=N>C=O>C=C
23%
C=N>C=C>C=O
According to simple atomic orbital overlap, how many bonds of CH4 will be directional?
Anonymous Quiz
9%
1
15%
2
30%
3
46%
4
Initiation of lateral roots happens in
Anonymous Quiz
15%
Epidermis
17%
General Cortex
7%
Medulla
61%
Pericycle
Which of the following shows diagonal hybridisation?
Anonymous Quiz
27%
C2H2
24%
C2H4
20%
C2H6
29%
All of these
In liquids and gases viscosity _____ and _____ with increasing temperature.
Anonymous Quiz
16%
Increases, increases
25%
Increases, decreases
49%
Decreases, increases
9%
Decreases, decreases
The lower end of a capillary tube of diameter 2.00 mm is dipped 8.00 cm below the surface of water in a beaker. What is the pressure required in the tube in order to blow a hemispherical bubble at its end in water? (Surface Tension= 7.30 ×10^-2 Nm-1)
Anonymous Quiz
22%
1.02*10^5 Pa
40%
1.02*10^6 Pa
32%
1.02*10^7 Pa
6%
1.02*10^8 Pa
Sorry for being inactive guys. I was really struggling with my health so had to take a break. As NEET is approaching if you have some queries drop them here-
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Water containing cavities are characteristic of
Anonymous Quiz
18%
Dicot vascular bundle
64%
Monocot vascular bundle
15%
Both
3%
None
In Monocot stem, as we move towards periphery the size of vascular bundles
Anonymous Quiz
28%
Increases
59%
Decreases
12%
Remains same