Identify the correct features of Mango and Coconut fruits.
| (i) | In both, fruit is a drupe |
| (ii) | Endocarp is edible in both |
| (iii) | Mesocarp in Coconut is fibrous, and in Mango, it is fleshy |
| (iv) | In both, the fruit develops from the monocarpellary ovary |
Select the correct option from below:
1. (i), (iii) and (iv) only
2. (i), (ii) and (iii) only
3. (i) and (iv) only
4. (i) and (ii) only
Large, empty colourless cells of the adaxial epidermis along the veins of grass leaves are:
| 1. | Lenticels | 2. | Guard cells |
| 3. | Bundle sheath cells | 4. | Bulliform cells |
Which of the following statements about cork cambium is incorrect?
| 1. | It forms a secondary cortex on its outside |
| 2. | It forms a part of periderm |
| 3. | It is responsible for the formation of lenticels |
| 4. | It is a couple of layers thick |
In cockroach, identify the parts of the foregut in correct sequence:
| 1. | Mouth → Oesophagus → Pharynx → Crop → Gizzard |
| 2. | Mouth → Crop → Pharynx → Oesophagus → Gizzard |
| 3. | Mouth → Gizzard → Crop → Pharynx → Oesophagus |
| 4. | Mouth → Pharynx → Oesophagus → Crop → Gizzard |
Match the following columns with reference to cockroach and select the correct option:
| Column - I | Column - II |
| (a) Grinding of | (i) Hepatic caeca the food particles |
| (b) Secrete gastric | (ii) 10th segment juice |
| (c) 10 pairs | (iii) Proventriculus |
| (d) Anal cerci | (iv) Spiracles |
| (v) Alary muscles |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (iv) | (iii) | (v) | (ii) |
| 3. | (i) | (iv) | (iii) | (ii) |
| 4. | (ii) | (iii) | (i) | (iv) |
Select the incorrectly matched pair from the following:
1. Chondrocytes - Smooth muscle cells
2. Neurons - Nerve cells
3. Fibroblast - Areolar tissue
4. Osteocytes - Bone cells
Inclusion bodies of blue-green, purple, and green photosynthetic bacteria are:
1. Contractile vacuoles
2. Gas vacuoles
3. Centrioles
4. Microtubules
The biosynthesis of ribosomal RNA occurs in:
1. Ribosomes
2. Golgi apparatus
3. Microbodies
4. Nucleolus
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 |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (ii) | (i) | (iii) | (iv) |
| 2. | (iii) | (i) | (ii) | (iv) |
| 3. | (iv) | (ii) | (i) | (iii) |
| 4. | (i) | (ii) | (iii) | (iv) |
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