Exam Practice SchooL

1. Average annual rainfall required for rice growing is________.

a) 100cm b) 200cm c) 300cm d) 400cm

2. LCC stands for what?

a) Leaf Color Check b) Leaf Color Chart

c) Leaf Cover Cup c) Leaf Cover Cap

3. How many anthers are present in a flower of rice?

a) 4 b) 6 c) 8 d) 10

4. Which of the following is cross pollinated? a)Tomato b) Soybean c) Cabbage d) Potato

5. Which is not a physical mutagen?

a) α-ray b) β-ray c) Formalin d)High temperature

6. Mycology deals with _______. a) fungus b)bacteria c)virus d)nematode

7. In which relationship the host and the pathogen both are benefited? a) Ammensalism b) Commensalism c) Parasitism d)Symbiosis

8. Which one is sexual fruiting body? a) Synnemata b) Acervulus c) Pycnidium d) Basidium

9. For which growth hormone rice plant elongated due to bakane disease?

a) Auxin b) Gibberellin c) Cytokinin d) Histamin

10. Hybrids are _____ heterozygous.

a) 25% b) 50% c) 75% d) 100%

Answer : 1.b, 2.b, 3.b, 4.c, 5.c, 6.a, 7.d, 8.d, 9.b, 10.d.

Categories