A fertilized egg of a plant has 40 chromosomes. The number of chromosomes present in the microspore mother cell is
1. 20
2. 40
3. 60
4. 80
A fertilized egg of a plant has 40 chromosomes. The number of chromosomes present in the microspore mother cell is
1. 20
2. 40
3. 60
4. 80
54%
Level 3: 35%-60%
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Match the columns.
Column I
(Scientists)
A) Stephan Hales
B) Ingen Housz
C) Von Mohl
D) Sach
Column II
(Discoveries)
1) Importance of light and chlorophyll
2) Presence of chlorophyll In plants
3) Product of Photosynthesis is starch
4) Air and light control
Column I
(Scientists)
A) Stephan Hales
B) Ingen Housz
C) Von Mohl
D) Sach
Column II
(Discoveries)
1) Importance of light and chlorophyll
2) Presence of chlorophyll In plants
3) Product of Photosynthesis is starch
4) Air and light control
1. A-4 B-1 C-2 D-3
2. A-3 B-2 C-1 D-4
3. A-2 B-3 C-4 D-1
4. A-4 B-3 C-2 D-1
57%
Level 3: 35%-60%
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Genotypic and phenotypic ratio 1 : 2 : 1 in the offsprings explain the principle of
1. dominance
2. blending inheritance
3. recessiveness
4. All of the above
2. blending inheritance
3. recessiveness
4. All of the above
Level 3: 35%-60%
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Satellite of chromosome is
1. rich in RNA and deficient in DNA
2. rich in DNA and deficient in RNA
3. rich in proteins
4. lacks DNA
2. rich in DNA and deficient in RNA
3. rich in proteins
4. lacks DNA
Level 3: 35%-60%
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Sickle cell anaemia is an example of
1. sex-linked inheritance
2. deficiency disease
3. autosomal heritable disease
4. infectious disease
2. deficiency disease
3. autosomal heritable disease
4. infectious disease
Subtopic: Mendelian Disorders: Sickle Cell Anemia |
66%
Level 2: 60%+
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Translocase is an enzyme required for
1. DNA replication
2. RNA synthesis
3. initiation of protein synthesis
4. protein synthesis chain elongation
Subtopic: Translation |
52%
Level 3: 35%-60%
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55%
Level 3: 35%-60%
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The property of semipermeability belongs to
1. cell wall
2. plasma membrane
3. mitochondria only
4. None of the above
2. plasma membrane
3. mitochondria only
4. None of the above
75%
Level 2: 60%+
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