Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Complete the following table

Action	Reflex	Voluntary
1. Optic nerve	———–	———–
2. Facial	———–	————
3. Hypoglossal	————	————–
4. Trigeminal	———–	————
5. Auditory
6. Glosso-pharyngeal

Classify the following:
i. Alternaria crassa
ii. Agrobacterium spp.
iii. Cactoblastis cactorum
iv. Beavueria bassiana

Column A (Biocontrol agents)	Column B (Host)
Microbial pesticide	————
Mycoherbicide	————
Insect as herbicide	————–
Bacterial herbicide	—————

Classify the given plant growth regulators as per their specific control of event in plant life cycle in Column A and complete Column B.
(IAA, GA, Cytokinin, Abscissic acid)

Column A	Column B
(1) Shedding of leaves	————
(2) Induce flowering in LDP	————
(3) Apical dominance	————
(4) Induce RNA synthesis	————

Make a chart showing the types of isolating mechanisms.

Genetic Disorders
[Turner’s syndrome, Sickle-cell anaemia, Thalassemia, Edward’s syndrome, Klinefelter’s syndrome, Down’s syndrome]

Column A	Column B
(A) Autosomal disorder	—————–
(B) Sex chromosomal disorder	—————–
(C) Mendelian disorder	—————–

Sketch the graphs to show directional and stabilizing selection.

Complete the flow chart of development.

Write types of neuroglial cells of CNS and PNS in tabular form.

What is the process shown in the following diagram? Mention all the steps given in the diagram in a proper sequence.

Complete the table given below.

Crop	Variety	Insect pest
Brassica	Pusa Gaurav	————-
————-	Pusa sem 2 m Pusa sem 3	Jassids, aphids, fruit borer
Okra	————–	Shoot and fruit borer