Match the column I with column II.
Column I Column II
(a) Golgi apparatus (i) Synthesis of protein
(b) Lysosomes (ii) Trap waste and excretory products
(c) Vacuoles (iii) Formation of glycoproteins and glycolipids
(d) Ribosomes (iv) Digesting biomolecules
Choose the right match from options given below:
1. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
2. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
3. (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
4. (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
The figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), (C) and (D). Select the part correctly matched with its function.
1. | Part (A) : Matrix – a major site for respiratory chain enzymes |
2. | Part (D) : Outer membrane – gives rise to the inner membrane by splitting |
3. | Part (B) : Inner membrane – forms infoldings called cristae |
4. | Part (C) : Cristae – possess single circular DNA molecule and ribosome |
Mark the mismatched pair.
1. |
Amyloplast |
(i) |
Store protein granule |
2. |
Elaioplast |
(ii) |
Store oils or fats |
3. |
Chloroplasts |
(iii) |
Contain chlorophyll pigments |
4. |
Chromoplasts |
(iv) |
Contain colored pigments other than chlorophyll |
Read the statements and select the correct option.
(A) – Mesosome helps in cell wall formation in prokaryotes.
(B) – They are infolding of plasma membrane.
(1) Both A and B are correct
(2) Both A and B are incorrect
(3) Only A is correct
(4) Only B is correct
Read the following statements and choose the option which is true for them.
Statement-1: Polar molecules cannot pass through lipid bilayer of plasma membrane by self.
Statement-2: Polar molecules require carrier proteins to facilitate their transport across the membrane.
1. Both the statements are correct
2. Both the statements are incorrect
3. Only statement-1 is correct
4. Only statement-2 is correct
State the following statements as true (T) or false (F) and select the correct option.
A. Integral proteins are partially or totally buried in the membrane.
B. Human RBC membrane has approximately 52% proteins.
C. Proteins move laterally within overall bilayer of membrane.
A B C
1. T T T
2. F T F
3. T F T
4. F F T
In plant vacuole, the A facilitates transport of a number of ions and other materials against concentration gradient.
Complete the above statement by choosing the correct option.
1. Tonoplast
2. Double membranous covering
3. Cell wall
4. Unit membrane
Read the below given statements and select the correct option.
A. In 70S ribosome, S stands for sedimentation coefficient.
B. Only prokaryotes have 70S ribosomes.
1. Only A is correct
2. Only B is correct
3. Both A and B are correct
4. Both A and B are incorrect
Mark the following statements as true (T) or false (F) and select the correct option :
A. Acrocentric chromosome appears J-shaped during anaphase.
B. Centromere holds two chromatids together.
C. Outer membrane of nucleus is connected with SER only.
A | B | C | |
1. | T | F | F |
2. | F | T | T |
3. | T | T | F |
4. | F | F | T |
Match the following columns and select the correct option :
Column - I | Column - II | ||
(a) | Smooth endoplasmic reticulum | (i) | Protein synthesis |
(b) | Rough endoplasmic reticulum | (ii) | Lipid synthesis |
(c) | Golgi complex | (iii) | Glycosylation |
(d) | Centriole | (iv) | Spindle formation |
(a) | (b) | (c) | (d) | |
1. | (ii) | (i) | (iii) | (iv) |
2. | (iii) | (i) | (ii) | (iv) |
3. | (iv) | (ii) | (i) | (iii) |
4. | (i) | (ii) | (iii) | (iv) |