Which of the following organelles is not correctly matched with its feature?
Organelle | Feature | |
1. | Smooth endoplasmic reticulum | Synthesis of steroidal hormones in animals |
2. | Golgi apparatus | Formation of glycoproteins and glycolipids |
3. | Lysosomes | Rich in alkaline hydrolases |
4. | Elaioplasts | Store oils and fats |
Few chromosome have non-staining secondary constrictions at a constant location, also known as :-
1. Cristae
2. Satellite
3. Kinetochores
4. Hub
A cell organelle containing hydrolytic enzyme is:
1. lysosome
2. microsome
3. ribosome
4. mesosome
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)
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. |