Match the following columns:
Column I (Cell Organelle) Column II (Function)
a. Endoplasmic Reticulum
1. Take part in cellular respiration
b. Free ribosome
2. Take part in osmoregulation and excretion
c. Mitochondria
3. Synthesis of lipids
d. Contractile Vacuole
4. Synthesise non-secretory proteins
A. a-3, b-4, c-1, d-2
B. a-1, b-2, c-4, d-3
C. a-3, b-2, c-1, d-4
D. a-3, b-2, c-4, d-1
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During the Quinone cycle (Q cycle) a total of how many protons are transported outside the mitochondrion?
A. One proton
B. Two protons
C. Three protons
D. Four protons
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Which is the function of cell wall?
A. Only 5
B. Only 4
C. 1, 4 and 5
D. All of these
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Match
List-I with
List-II and select the correct answer:
List-I List-II
a. Metacentric
1. Centromere near the end of the chromosome
b. Submetacentric
2. Centromere near the middle of the chromosome
c. Acrocentric
3. Centromere truely terminal
d. Telocentric
4. Centromere situated some distance away from the middle
A. a-2, b-3, c-4, d-1
B. a-3, b-2, c-1, d-4
C. a-2, b-4, c-1, d-3
D. a-4, b-2, c-1, d-3
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About whom is said 'India's large wild cat' has recently become extinct?
A. Cheetah
B. Leopard
C. Tiger
D. Lion
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Match the following columns.
List-I List-II
a. RER
1. Intracellular and extracellular digestion
b. SER
2. Lipid synthesis
c. Golgi complex
3. Protein synthesis and secretion
d. Lysosomes
4. Moves materials out of the cells
A. a-3, b-2, c-4, d-1
B. a-2, b-3, c-4, d-1
C. a-1, b-3, c-2, d-4
D. a-4, b-2, c-3, d-1
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The site of cellular respiration in animal cell is
A. ribosome
B. mitochondria
C. endoplasmic reticulum
D. lysosome
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During G1 -phase
A. cell grows in size
B. DNA replication occur
C. neither divides nor synthesises organelles
D. chromosomes condense
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Substances causing instability of the lysosomal membrane, leading to release of enzymes from the lysosome, are called
A. Inhibitors
B. Labilizers
C. Stabilizers
D. None of the above
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Fertilization, in lower plants, is immediately followed by which of the following types of meiosis, giving rise to cells with the haploid chromosome number?
A. Gametic meiosis
B. Sporic meiosis
C. Zygotic meiosis
D. None of the above
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The Golgi complex is formed from which of the following cell organelles?
A. Plasmalemma
B. Nuclear envelope
C. Endoplasmic reticulum
D. All of the above
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Which of the following is a non-living structure which is formed by the living protoplast?
A. Cell membrane
B. Cell wall
C. Plasmalemma
D. None of the above
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Which one of the following cell organelles does not possess its own genetic material encoding proteins?
A. Ribosome
B. Nucleus
C. Mitochondria
D. Chloroplast
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Which chemical characteristic is not common in all living organisms?
A. Type of protein present in body
B. Similar triplet code for amino acid
C. Energy is stored in high phosphate bonds
D. Ribosomes are site of protein synthesis
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Substances like RNA and nuclear proteins may pass out from the nucleus outside the cell by which of the following routes?
A. Nuclear membrane ⟶ pores ⟶ ER ⟶ Golgi complex ⟶ plasma membrane ⟶ outside
B. Nuclear membrane ⟶ pores ⟶ Golgi complex ⟶ ER ⟶ plasma membrane ⟶ outside
C. Pores ⟶ nuclear membrane ⟶ ER ⟶ Golgi complex ⟶ plasma membrane ⟶ outside
D. Nuclear membrane ⟶ pores ⟶ Golgi complex ⟶ plasma membrane ⟶ ER ⟶ outside
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Consider the following statements.
A. 1, 2 and 3
B. Only 1
C. 1 and 3
D. Only 2
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The bulk injestion of solid food into the cell is known as
A. Pinocytosis
B. Exocytosis
C. Phagocytosis
D. None of the above
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The zygotene and pachytene bivalents are organised into structures called
A. Synaptonemal complexes
B. Synizetic knots
C. Axial filaments
D. Transverse units
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The yellow and orange colour of fruits and flowers are mainly due to
A. leucoplasts
B. chloroplast
C. aleuroplast
D. chromoplast
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Cellulose is the chief constituent of
A. cell wall
B. cell membrane
C. secondary wall of xylem
D. body wall of insects
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