Which of the following our main functions of Root?
Anonymous Quiz
18%
Absorption of water
5%
Synthesis of plant growth regulator
3%
Reserve food storage
75%
All of these
Aayush D MAMC
Which of the following our main functions of Root?
Sorry for the typo. It is ‘are’ and not ‘our’.
On commercial scale CO is produced as,
Anonymous Quiz
28%
CO + H2O
49%
CO + H2
14%
CO + N2
9%
None of these
Elements of group 14
Anonymous Quiz
14%
Form M²⁺ and M⁴⁺ ions.
14%
Form M²⁻ and M⁴⁺ ions.
14%
Exhibit oxidation state of +4 only.
57%
Exhibit oxidation state of +2 and +4.
Which of the following isn’t possible?
Anonymous Quiz
6%
Electrostatic Shielding
68%
Gravitational Shielding
13%
Both of these
14%
None of these
Which of these isn’t likely to happen to an astronaut in space?
Anonymous Quiz
17%
Swollen face
28%
Swollen feet
25%
Headache
30%
Orientation problem
For the above problem, the direction of the gravitational intensity at an arbitrary point P is indicated by the arrow,
Anonymous Quiz
10%
D
50%
E
32%
F
9%
G
Let us assume that our galaxy consists of 2.5 x 10^11 stars each of one solar mass. How long will a star at a distance of 50,000 ly from the galactic centre take to complete one revolution? Take the diameter of the Milky way to be 10^5 ly.
Anonymous Quiz
17%
1.12 × 10^15
42%
1.12 × 10^16
33%
1.12 × 10^17
8%
1.12 × 10^18
Asparagus, Sweet Potato, Carrot, Turnip
How many of these are storage roots?
How many of these are storage roots?
Anonymous Quiz
5%
1
17%
2
36%
3
42%
4
In Oxalis sp. the stem is modified for,
Anonymous Quiz
18%
Protection
20%
Storage
16%
Support
46%
Vegetative propagation
AlF3 is soluble in HF only in presence of KF. It is due to the formation of
Anonymous Quiz
7%
K [AlF3H]
23%
K3 [AlF3H3]
8%
AlH3
63%
K3 [AlF6]
Which of the following scientists arranged the elements on a cylinder?
Anonymous Quiz
12%
Dobereiner
11%
Newland
55%
Chancourtois
22%
Lothar Meyer
Leaves originate from _____ apical meristem and are arranged in an _______ order.
Anonymous Quiz
20%
Shoot, basipetal
70%
Shoot, acropetal
6%
Floral, basipetal
4%
Floral, acropetal
In Guava the phyllotaxy found is,
Anonymous Quiz
15%
Alternate
72%
Opposite
12%
Whorled
2%
None of the above
In experiment done by Henry Cavendish the spheres were made of
Anonymous Quiz
25%
Aluminum
28%
Iron
35%
Lead
12%
Steel