Which of the following is true for vacuole

(1)It is present in both plants and animals

(2)Central vacuole is present in plant

(3)It occupies 90% volume of the plants

(4)All of these

Subtopic:  Vacuole |
 77%
From NCERT
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In plant cell the concentration of ions is more in

(1)cytoplasm

(2)vacuoles

(3)equal in both

(4)nucleus

Subtopic:  Vacuole |
 80%
From NCERT
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The contractile vacuole

1. is present in Amoeba 2. helps in osmoregulation
3. helps in excretion 4. All of the above
Subtopic:  Vacuole |
 89%
From NCERT
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The membrane of vacuole is called

1. plasma membrane

2. tonoplast

3. cytoplasm

4. tunicates

Subtopic:  Vacuole |
 96%
From NCERT
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Which of  the following is true about mitochondria except

1. Semi-autonomous organelle

2. Compartmentalisation is present

3. Matrix contain 80s ribosomes

4. Both 1 and 2

Subtopic:  Mitochondria |
 66%
From NCERT
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Which of the following is  present in matrix of mitochondria

1. ribosomes

2. RNA

3. DNA

4. All of the above

Subtopic:  Mitochondria |
 91%
From NCERT
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Which of the following is true about mitochondria except

(1) easily visualised under microscope without staining

(2) It’s number in the cell depends on the physiological activity of the cell

(3)It is highly variable in their shape and size

(4)Double membranous structure

Subtopic:  Mitochondria |
 82%
From NCERT
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Chromatin can be stained with

1. Basic dyes

2. neutral dyes

3. acidic dyes

4. Crystal violet

Subtopic:  Nucleus: Chromosomes |
 81%
From NCERT
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Which of the following is true about chromosome

1. nucleoprotein

2. 23 pairs in single human diploid cell

3. Contains primary constriction

4. All of these

Subtopic:  Nucleus: Chromosomes |
 94%
From NCERT
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On what basis chromosomes have been divided into four classes.

1. position of centromere

2. position of primary constriction

3. number of kinetochores

4. Both A and B

Subtopic:  Nucleus: Chromosomes |
 64%
From NCERT
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