NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 1517 - 1524 of 1732
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Question 1517
Question MCQ▾
Which of the following factor is not responsible for the dispersion of the seeds?
Choices
Choice (4) | Response | |
---|---|---|
a. | Water | |
b. | Humans | |
c. | Animals | |
d. | None of the above |
Question 1518
Question MCQ▾
An instrument used for measuring electric current is known as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Gaugemeter | |
b. | Thermometer | |
c. | Ammeter | |
d. | Voltmeter |
Question 1519
Question MCQ▾
The density of seawater is ________ than fresh water?
Choices
Choice (4) | Response | |
---|---|---|
a. | Higher | |
b. | Equal | |
c. | Lower | |
d. | None of the above |
Question 1520
Question MCQ▾
The water enters the root of plants through which process?
Choices
Choice (4) | Response | |
---|---|---|
a. | Osmosis | |
b. | Diffusion | |
c. | Question does not provide sufficient data or is vague | |
d. | All of the above |
Question 1521
Question MCQ▾
Which of the following is an example of self-dispersion of seeds?
Choices
Choice (4) | Response | |
---|---|---|
a. | Dispersal by wind | |
b. | Dispersal by animals | |
c. | Dispersal by bursting | |
d. | Dispersal by water |
Question 1522
Question 1523
Question MCQ▾
The electrolysis of water produces hydrogen and oxygen in the ratio of:
Choices
Choice (4) | Response | |
---|---|---|
a. | 2: 2 | |
b. | 2: 1 | |
c. | 1: 1 | |
d. | 1: 2 |
Question 1524
Question MCQ▾
During respiration animals take in:
Choices
Choice (4) | Response | |
---|---|---|
a. | Nitrogen | |
b. | Carbon dioxide | |
c. | Oxygen | |
d. | All of the above |