Biology (Botany+Zoology) | Grade 12-XII | Question Paper 2076 [2019] | Sub. Code: 214-B | NEB

Note:- This question paper contains Botany portion in Group 'A' and Zoology portion in Group 'B'. So use separate answer sheets for Group 'A' and Group 'B'. First use answer sheet for Group 'A'. alert-success

Group 'A'

Botany

Attempt all questions.

1. Answer in short on any seven. [7×1=7]

a) What is the major product of C3 cycle?
b) What do you mean by master strand?
c) Write the name of purine bases.
d) What do you mean by scion and stock?
e) Define biofertilizer.
f) Define tissue?
g) What is callus culture?
h) Define megasporogenesis.
i) What do you mean by chiropterophily?
j) Define turgor pressure.

2. Describe in brief on any five. [5×3=15]

a) Significance of respiration.
b) Describe the tunica and corpus theory.
c) Structure of RNA.
d) Mechanism of crossing over.
e) Application of plant tissue culture.
f) Process of male gametogenesis.
g) Describe the co-dominance with suitable example.

3. Describe the anatomical structure of dicot root and compare it with monocot root. [7.5]
Or Describe an experiment to demonstrate light is necessary for process of photosynthesis with clean diagram. [8]

Group 'B'

Zoology

1. Answer in short on any seven. [7×1=7]

2. Answer in brief on any five. [5×3=15]

4. What is addiction? Discuss the symptoms, effects and control measures of alcohol addiction in detail. [8]

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Check and view Biology (Botany+Zoology) | Grade 12-XII | Question Paper 2076 [2019] | Sub. Code: 214-B | National Examination Board (NEB).