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Practice MCQ Questions and answers on Biology-GK

Learn and practice General Knowledge questions and answers on Biology with very easy and understandable explanations. GK questions are very helpful different type of competitive exams. Page-9 section-9

Each section contains 100 MCQs on Biology .
81
In a cell process of respiration takes place in
Discuss
Answer & Solution
Answer: Option A
Solution:
Cellular respiration occurs in the double-membrane organelle called the mitochondrion.
82
It is the basic structure found in all membranes such as those of mitochondria and chloroplasts.
Discuss
Answer & Solution
Answer: Option B
Solution:
Unit membrane is the basic structure found in all membranes such as those of mitochondria and chloroplasts.
83
Which one is found in a pair in each chromosome?
Discuss
Answer & Solution
Answer: Option D
Solution:
Chromatids is found in a pair in each chromosome.
84
Ribosomes are produced in
Discuss
Answer & Solution
Answer: Option A
Solution:
In bacterial cells, ribosomes are synthesized in the cytoplasm through the transcription of multiple ribosome gene operons. In eukaryotes, the process takes place both in the cell cytoplasm and in the nucleolus, which is a region within the cell nucleus.
85
Which cell feature is responsible for storing water ?
Discuss
Answer & Solution
Answer: Option A
Solution:
Vacuole is responsible for storing water.
86
The subcellular organelle not bound by a single membrane is
Discuss
Answer & Solution
Answer: Option D
Solution:
The subcellular organelle not bound by a single membrane is Lysosomes.
87
Which one is not found in the composition of plasma membrane?
Discuss
Answer & Solution
Answer: Option A
Solution:
Minerals is not found in the composition of plasma membrane.
88
Which organelle in the cell, other than nucleus contains DNA?
Discuss
Answer & Solution
Answer: Option B
Solution:
Mitochondria contain DNA other than nucleus.
89
The single membrane surrounding vacuoles in plant cells is known as
Discuss
Answer & Solution
Answer: Option C
Solution:
Also called the vacuolar membrane, the tonoplast is the cytoplasmic membrane surrounding a vacuole, separating the vacuolar contents from the cell's cytoplasm.
90
Cellular respiration occurs in
Discuss
Answer & Solution
Answer: Option C
Solution:
Cellular respiration occurs in the double-membrane organelle called the mitochondrion.