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Q:

Which process requires cellular energy?

A) Passive transport B) Active transport
C) Both A & B D) None of the above
 
Answer & Explanation Answer: B) Active transport

Explanation:

Active transport is a method of transport of ions or molecules along the cell membrane in the cell from lower to higher concentration region and which needs cellular energy.

There are three main types of Active Transport. They are:

  1. The Sodium-Potassium pump,
  2. Exocytosis, and
  3. Endocytosis.
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Q:

Which category of compound is most concentrated energy source?

A) Fats B) Starch
C) Proteins D) Vitamins
 
Answer & Explanation Answer: A) Fats

Explanation:
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Q:

With which of the following body organ is 'pace-maker' associated?

A) Liver B) Brain
C) Heart D) Lungs
 
Answer & Explanation Answer: B) Brain

Explanation:
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Q:

In how many parts is the human brain divided?

A) 2 B) 3
C) 4 D) 5
 
Answer & Explanation Answer: B) 3

Explanation:
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Q:

Companion cells are unique to

A) Bryophytes B)  Pteridophytes
C) Angiosperms D)  Gymnosperms
 
Answer & Explanation Answer: C) Angiosperms

Explanation:
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Q:

Insulin is a kind of _____

A) hormone B) protein
C) enzyme D) vitamin
 
Answer & Explanation Answer: A) hormone

Explanation:
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Q:

Which of the following is a characteristic of all angiosperms?

A) double internal fertilization B) ovules that are not contained within ovaries
C) complete reliance on wind as the pollinating agent D) free-living gametophytes
 
Answer & Explanation Answer: A) double internal fertilization

Explanation:

The flowering plants, also known as angiosperms, Angiospermae or Magnoliophyta, are the most diverse group of land plants. These are also seed producing plants like gymnosperms. In Angiosperms seeds are in flowers.

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Q:

A ___________ is a long internode forming the basal part or the whole of a peduncle.

A) rhizome B) rachis
C) floral axis D) scape
 
Answer & Explanation Answer: D) scape

Explanation:
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