Questions

Q:

Where does cellular respiration take place in the cell?

A) cytoplasm B) mitochodria
C) Ribosomes D) Chromosomes
 
Answer & Explanation Answer: B) mitochodria

Explanation:

Cellular repiration takes place in the mitochodria.

 

There are 3 phases of cellular respiration. They are:

1. Glycolysis (Fermentation),

2. Krebs Cycle, and

3. Electron Transport.

 

Glycolysis takes place in the cytoplasm. The Krebs cycle and electron transport takes place in the mitochondria.

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Q:

The disease Goitre is caused in persons who do not have in their diet sufficient

A) calcium B) sodium
C) iodine D) iron
 
Answer & Explanation Answer: C) iodine

Explanation:

Goitre is characterized by the swelling of the neck region. This is due to the enlargement of the thyroid gland which secretes hormone thyroxine. Thyroxine has iodine as an integral part of it. If there is not sufficient iodine in one's  diet, the thyroid gland swells up.

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Q:

Compared to land, the open oceans

A) are rich in silica and iron B) are nutrient-poor environments
C) contain unlimited nitrogen D) are nutrient-rich environments
 
Answer & Explanation Answer: B) are nutrient-poor environments

Explanation:
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Q:

A boy multiplied 987 by a certain number and obtained 559981 as his answer. If in the answer both 98 are wrong and the other digits are correct, then the correct answer would be ?? please explain in detail

A) 553681 B) 555181
C) 555681 D) 556581
 
Answer & Explanation Answer: C) 555681

Explanation:
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Q:

What is the minimum age required to become vice-president of India?

A) 30 years B) 35 years
C) 40 years D) 37 years
 
Answer & Explanation Answer: B) 35 years

Explanation:
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Q:

Bangkok lies on river

A) Kizil B) Spree
C) Karnaphuli D) Menam
 
Answer & Explanation Answer: D) Menam

Explanation:
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Q:

The time complexity of sequential search is

A) O(n) B) O(2n)
C) O(n^2) D) None
 
Answer & Explanation Answer: A) O(n)

Explanation:

The time complexity of sequential search is O(n)

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Q:

An Oxe-bow lake is a ______

A) lake formed behind an off-shore bar B) lake occupying a volcanic crater
C) lake formed due to cut off meander D) lake occupying a hollow scooped by a glaqcier
 
Answer & Explanation Answer: C) lake formed due to cut off meander

Explanation:
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