Cell-The Unit of Life
- Match the columns and identify the correct option.
Column-I Column-II (1) Thylakoids (i) Disc-shaped sacs in Golgi apparatus (2) Cristae (ii) Condensed structure of DNA (3) Cisternae (iii) Flat membranous sacs in stroma (4) Chromatin (iv) Infoldings in mitochondria
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(a) → (iii), (b) → (iv), (c) → (i), (d) → (ii)
Correct Option: A
(a) → (iii), (b) → (iv), (c) → (i), (d) → (ii)
- Balbiani rings are sites of:
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RNA and protein synthesis occur in Balbiani rings.
Correct Option: C
RNA and protein synthesis occur in Balbiani rings.
- The function of the gap junction is to
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The function of the gap junction is to facilitate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules.
Correct Option: A
The function of the gap junction is to facilitate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules.
- Which of the following are not membranebound?
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Ribosomes are not membrance-bound cell organelle.
Correct Option: A
Ribosomes are not membrance-bound cell organelle.
- Select the correct matching in the following pairs :
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Lipid synthesis takes place in smooth endoplasmic reticulum.
Correct Option: A
Lipid synthesis takes place in smooth endoplasmic reticulum.
