The chief component of the middle lamella in plant cell is
Options
(a) potassium (b) calcium (c) magnesium (d) calcium and magnesium
Correct Answer:
calcium and magnesium
Explanation:
No explanation available. Be the […]
The controlling centre of cell is
Options
(a) mitochondria (b) nucleus (c) ribosomes (d) nucleolus
Correct Answer:
nucleus
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
The correct sequence of different phases of cell cycle is
Options
(a) S-G₁-G₂-M (b) G₁-S-G₂-M (c) G₂-S-G₁-m (d) G₁-G₂-S-M
Correct Answer:
G₁-S-G₂-M
Explanation:
No explanation available. Be the first to write the explanation […]
The enzyme used in the beverage industry to flavour soft drinks and in the baking industry to sweeten the biscuits and cakes is
Options
(a) glycoamylase (b) amylase (c) proteoses (d) glucoamylase
Correct […]
The formation of chromatid takes place in
Options
(a) G₁ phase (b) G₂ phase (c) S phase (d) M phase
Correct Answer:
S phase
Explanation:
No explanation available. Be the first to write […]
The largest cell organelles in the cell are
Options
(a) plastids (b) Golgi bodies (c) mitochondria (d) chromosomes
Correct Answer:
plastids
Explanation:
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The mineral present in cell wall is
Options
(a) Na (b) Ca (c) K (d) Mn
Correct Answer:
Ca
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Which of the following is a single membrane structure?
Options
(a) lysosomes (b) chloroplast (c) mitochondria (d) endoplasmic reticulum
Correct Answer:
lysosomes
Explanation:
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Which of the following is always absent in prokaryotic cells?
Options
(a) Ribosomes (b) mitochondria (c) DNA (d) Cell wall
Correct Answer:
mitochondria
Explanation:
No explanation available. Be the first to write the […]
Which of the following is correct for prokaryotic ribosome?
Options
(a) it dissociates into 50 S and 30 S (b) it dissociates into 40 S and 40 S (c) it dissociates into 60 […]
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