🌸 Pollination & Reproductive Parts of Plants
1. Which of the following organisms act as pollinators?
a) Bat and Bee only
b) Bee only
c) Bat and Bird only
d) Bat, Bee, and Bird
Answer: d) Bat, Bee, and Bird
2. From which part of the Opium plant is morphine derived?
a) Leaves
b) Stem
c) Bark
d) Fruit coat
Answer: d) Fruit coat
3. Which component in the skin and hair reacts with Henna to give an orange-red color?
a) Proteins and amino acids
b) Lipids
c) Carbohydrates
d) Amino acids
Answer: a) Proteins and amino acids
🧬 Proteins & Plant Products
4. Which of the following is a protein-based fiber?
a) Nylon
b) Polyester
c) Silk
d) Cotton
Answer: c) Silk
5. Which crop has the highest protein content?
a) Cassava
b) Soybean
c) Wheat
d) Maize
Answer: b) Soybean
🌳 Plant Morphology & Nutrition
6. Edible part of a pear is:
a) Fleshy thalamus
b) Spores
c) Both a and b
d) Pod
Answer: a) Fleshy thalamus
7. What type of nutrition is observed in mushrooms?
a) Photosynthetic
b) Chemosynthetic
c) Parasitic
d) Saprophytic
Answer: d) Saprophytic
8. What are the small pores on the leaf surface called?
a) Hydathodes
b) Stomata
c) Trichomes
d) Pits
Answer: b) Stomata
9. The type of root present in Betel vine is:
a) Stilt Root
b) Clinging Root
c) Climbing Root
d) Prop Root
Answer: c) Climbing Root
10. A crop sown at the beginning of the monsoon season is called:
a) Rabi crop
b) Cash crop
c) Kharif crop
d) None of these
Answer: c) Kharif crop
11. The type of inflorescence in wheat is:
a) Raceme
b) Catkin
c) Spike
d) Panicle
Answer: c) Spike
🌿 Photosynthesis, Tissues & Translocation
12. What is the source of oxygen released during photosynthesis?
a) Water
b) Carbon dioxide
c) Chlorophyll
d) Mesophyll cells
Answer: a) Water
13. In which plant is the fruit found underground?
a) Potato
b) Carrot
c) Peanut
d) Onion
Answer: c) Peanut
14. Which of the following plant tissues is dead at maturity?
a) Parenchyma
b) Collenchyma
c) Sclerenchyma
d) Phloem
Answer: c) Sclerenchyma
15. A plant cell swells in which type of solution?
a) Hypertonic
b) Hypotonic
c) Isotonic
d) None of these
Answer: b) Hypotonic
16. Water translocation in plants occurs through:
a) Apoplastic pathway
b) Symplastic pathway
c) Both A and B
d) None of the above
Answer: c) Both A and B
17. Starch belongs to which group of carbohydrates?
a) Polysaccharide
b) Oligosaccharide
c) Monosaccharide
d) Disaccharide
Answer: a) Polysaccharide
🍇 Fruit Development & Crop Management
18. Which plant loses its economic value if its fruit is formed by parthenocarpy?
a) Grapes
b) Pomegranate
c) Orange
d) Banana
Answer: b) Pomegranate
19. Which plant is ideal for mixed cropping to improve nitrogen availability in the soil?
a) Wheat
b) Gram
c) Maize
d) Barley
Answer: b) Gram
🌱 Plant Classification & Evolution
20. Consider the following statements about plant reproduction:
- In algae, reproductive organs are unicellular.
- Ferns lack a true vascular system.
Which statement is correct?
a) Only 1
b) Only 2
c) Both 1 and 2
d) Neither 1 nor 2
Answer: a) Only 1