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 

Subtopic:  Fruits & their Types |
 84%
Level 1: 80%+
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Large, empty colorless cells of the adaxial epidermis along the veins of grass leaves are
1. Lenticels
2. Guard cells
3. Bundle sheath cells
4. Bulliform cells

Subtopic:  Monocot Leaf |
 83%
Level 1: 80%+
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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
Subtopic:  Activity of Cork Cambium |
 58%
Level 3: 35%-60%
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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

Subtopic:  Cockroach: Digestive System |
 77%
Level 2: 60%+
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Match the following columns with reference to cockroach and select the correct option :       

Column I Column II
(a) Grinding of the food particles (i) Hepatic caeca
(b) Secrete gastric juice (ii) 10th segment
(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)
Subtopic:  Cockroach: Digestive System |
 85%
Level 1: 80%+
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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

Subtopic:  Connective Tissue | Cardiac Muscle & Smooth Muscle | Nervous Tissue |
 88%
Level 1: 80%+
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Inclusion bodies of blue-green, purple, and green photosynthetic bacteria are :
1. Contractile vacuoles
2. Gas vacuoles
3. Centrioles
4. Microtubules

Subtopic:  Details of Prokaryotic Cell Structure |
 77%
Level 2: 60%+
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The biosynthesis of ribosomal RNA occurs in:

1. Ribosomes 2. Golgi apparatus
3. Microbodies 4. Nucleolus
Subtopic:  Nucleus |
 80%
Level 1: 80%+
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The size of Pleuropneumonia - like Organism (PPLO) is :
1. 0.02 μm
2. 1-2 μm
3. 10-20 μm
4. 0.1 μm

Subtopic:  Prokaryotic Cell Organisation |
 54%
Level 3: 35%-60%
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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)
Subtopic:  Golgi Apparatus | Centrosomes | Endomembrane System (Endoplasmic Reticulum) |
 94%
Level 1: 80%+
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