Biology GK · all questions

Cell Biology
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Q201

What are the basic units from which human spare parts can be created?

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Q202

Thylakoids in a plastid are placed one above the other like a stack of coins to form a

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Q203

Cell wall

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Q204

The carrier protein molecules are presumed to move to and fro across the membrane by

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Q205

The common artificial membranes that have been used as analogues to the plasmalemma in biological study include

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Q206

Which of the following pigments causes the red colour in onions?

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Q207

In a cell membrane, integral proteins are

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Q208

Protein synthesis takes place on groups or clusters of ribosomes which are called

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Q209

Which one of the following is called the 'digestive bag' in the cell?

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Q210

Cell or tissue death within a living body is called as

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Q211

Which among the following is not a significance of mitosis?

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Q212

Match List-I with List-II and select the correct answer:

List-I	List-II
a. Mitochondria	1. Suicidal bags
b. Lysosomes	2. Break down of fats
c. Ribosomes	3. Power houses of cell
d. Glyoxysomes	4. Sites of protein synthesis

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Q213

Who explained first the evolution of life?

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Q214

Consider the following statements regarding centromere and choose the correct answer:
1. The position of the centromere is constant for a particular chromosome
2. The structure and function of the centromere are different from that of the rest of the chromosome
3. During division the centromere is functional, while the rest of the chromosome is genetically inactive
4. The position of the centromere varies in different chromosomes

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Q215

Which of the following statement(s) is/are true for nucleus?

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Q216

The living content of cell is called protoplasm. It is composed of

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Q217

Consider the following statements regarding the nuclear pores and choose the correct answer:
1. At the margin of each pore the outer and inner membranes are continuous
2. The pores have been described as being hexagonal
3. The pores are randomly distributed in many nuclei

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Q218

Which of the following are colourless plastids?

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Q219

Which one of the following cell organelles mainly functions as storehouse of digestive enzymes?

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Q220

Lipids are arranged within the membrane with

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