DNA is not present in:
Match the following and select the correct answer:
Column I | Column II | ||
(a) | Centriole | (i) | Infoldings in mitochondria |
(b) | Chlorophyll | (ii) | Thylakoids |
(c) | Cristae | (iii) | Nucleic acids |
(d) | Ribozymes | (iv) | Basal body of cilia or flagella |
1. A-iv, B-ii, C-i, D-iii
2. A-i, B-ii, C-iv, D-iii
3. A-i, B-iii, C-ii, D-iv
4. A-iv, B-iii, C-i, D-ii
Find the incorrect statement:
1. | Plastids found in plant cells and in euglenoids. |
2. | Golgi apparatus is site of formation of glycoproteins and glycolipids. |
3. | Nucleus during interphase has highly extended and elaborate nucleoprotein fibers. |
4. | Centriole Microtubular organization is referred to as the 9 + 2 and it forms basal body of cilia and flagella. |
The concept of "Omnis cellula-e-cellula" regarding cell division was first proposed by:
1. Aristotle
2. Rudolf Virchow
3. Theodor Schwann
4. Schleiden
Which of the following pair of organelles does not contain DNA?
1. | Nuclear envelope and Mitochondria |
2. | Mitochondria and Lysosomes |
3. | Chloroplast and Vacuoles |
4. | Lysosomes and vacuoles |
Which of the following statements is not correct?
1. | Lysosomes are formed by the process of packaging in the endoplasmic reticulum. |
2. | Lysosomes have numerous hydrolytic enzymes |
3. | The hydrolytic enzyme of lysosomes are active under acidic pH |
4. | Lysosomes are membrane bound structure. |
Match the columns and identify the correct option.
Column I | Column II | ||
A. | Thylakoids | (i) | Disc-shaped sacs in Golgi apparatus |
B. | Cristae | (ii) | Condensed structure of DNA |
C. | Cisternae | (iii) | Flat membranous sacs in stroma |
D. | Chromatin | (iv) | Infolding in mitochondria |
1. A → (iv), B → (iii), C → (i), D → (ii)
2. A → (iii), B → (iv), C → (i), D → (ii)
3. A → (iii), B → (i), C → (iv), D → (ii)
4. A → (iii), B → (iv), C → (ii), D → (i)