Forwarded from CBSE NOTES 9 10 11 12 (Romeo)
The shape of methane molecules is
Anonymous Quiz
28%
Linear
28%
Triangular planar
34%
Tetrahedral
9%
Octahedral
Forwarded from CBSE NOTES 9 10 11 12 (Romeo)
Forwarded from CBSE NOTES 9 10 11 12 (Vishal Kumar🇮🇳)
The secretion of which hormone leads to physical changes in the body when you are 10-12 years of age?
Anonymous Quiz
13%
Oestrogen from testes and testosterone from ovar.
21%
Estrogen from adrenal gland and testosterone from pituitary gland.
57%
Testosterone from testes and estrogen from ovary.
9%
Testosterone from thyroid gland and estrogen from pituitary gland.
Forwarded from CBSE NOTES 9 10 11 12 (Vishal Kumar🇮🇳)
A diabetic patient suffers from deficiency of which hormone?
Anonymous Quiz
16%
Thyroxine
14%
Testosterone
10%
Oestrogen
60%
Insulin
Forwarded from CBSE NOTES 9 10 11 12 (Vishal Kumar🇮🇳)
A big tree falls in a forest, but its roots are still in contact with the soil. The branches of this fallen tree grow straight up (vertically). This happens in response to
Anonymous Quiz
26%
Water and light
29%
Water and minerals
25%
Gravity and water
20%
Light and gravity
Forwarded from Kanishk ......!!!!
Forwarded from CBSE NOTES 9 10 11 12 (Romeo)
What is another name of acetic acid
Anonymous Quiz
20%
Citric acid
50%
Ethanoic acid
16%
Oxalic acid
14%
Non of these
Forwarded from CBSE NOTES 9 10 11 12 (Romeo)
Name the first mineral acid to be discovered
Anonymous Quiz
54%
Hydrochloric acid
30%
Sulphuric acid
16%
Nitric acid
Forwarded from CBSE NOTES 9 10 11 12 (Romeo)
Name the first organic acid which is used in experiment
Anonymous Quiz
41%
Citric acid
43%
Ethanoic acid
16%
Oxalic acid
Forwarded from CBSE NOTES 9 10 11 12 (Romeo)
What we call those base which are soluble in water
Anonymous Quiz
11%
Base
77%
Alkalis
8%
Acid
4%
Non base
Forwarded from CBSE NOTES 9 10 11 12 (Sparsh Gupta)
Select the group which shares maximum number of common characters.
Anonymous Quiz
35%
Two individuals of a species
32%
Two species of a genus
23%
Two genera of a family
10%
Two genera of two families
Forwarded from CBSE NOTES 9 10 11 12 (Sparsh Gupta)
A student accidentally spilled a few drops of a solution over the shirt. The area became blue-black because the solution was -
Anonymous Quiz
22%
An acid which burnt the patch of cloth.
50%
Iodine which reacted with starched part of shirt.
18%
Potassium dichromate which oxidised the piece of shirt.
10%
HCl which reacted with metanil pigment of the shirt.
Forwarded from CBSE NOTES 9 10 11 12 (Sparsh Gupta)
Why is a time tag of two hours from Gujarat to Arunachal Pradesh?
Anonymous Quiz
52%
Because of India’s east-west extent
23%
Because of India’s north-south extent
16%
Because of India’s proximity to oceans
9%
Because of India’s landmass
Forwarded from CBSE NOTES 9 10 11 12 (Sparsh Gupta)
Voting in the Estates General was conducted on the principle of-
Anonymous Quiz
19%
Each member of vote
26%
Male adult franchise
30%
Universal adult franchise
25%
Each estate one vote
Forwarded from CBSE NOTES 9 10 11 12 (Sparsh Gupta)
While computing mean of grouped data, we assume that the frequencies are -
Anonymous Quiz
33%
Evenly distributed over all the class
38%
Centred at the classmarks of the class
22%
Centred at the upper limits of the class
7%
Centred at the lower limits of the class
Forwarded from CBSE NOTES 9 10 11 12 (Sparsh Gupta)
An aeroplane at a height of 600 m passes vertically above another aeroplane at an instant when their angles of elevation at the same observing point are 60º and 45º respectively. How many metres higher is the one from the other?
Anonymous Quiz
19%
286.53 m
42%
274.53 m
31%
253.58 m
8%
263.83 m
Forwarded from CBSE NOTES 9 10 11 12 (Sparsh Gupta)
What was the Napoleonic code known as?
Anonymous Quiz
14%
The Napoleonic code of 1808
23%
The Napoleonic code of 1802
14%
The civil code of 1809
50%
The civil code of 1804
Forwarded from CBSE NOTES 9 10 11 12 (Sparsh Gupta)
Consider the following events and arrange them in their
correct chronological order -
I. Swadeshi Movement II. Home Rule Movement III. Anti-Rowlatt Act Movement IV. Khilafat Movement
correct chronological order -
I. Swadeshi Movement II. Home Rule Movement III. Anti-Rowlatt Act Movement IV. Khilafat Movement
Anonymous Quiz
21%
I, II, III, IV
32%
I, II, IV, III
28%
II, I, IV, III
20%
III, I, II, IV
Forwarded from CBSE NOTES 9 10 11 12 (Sparsh Gupta)
Transportation in the living organisms is necessary because of the following reasons:
Anonymous Quiz
27%
Food, oxygen, water and other essential substances are distributed through this system.
19%
It displaces the excretory wastes from the cells of the body to the excretory organs.
10%
Temperature and pressure throughout the body are kept uniform.
45%
All of the above.