1. Brain and the spinal cord are invested by membranes called:
A. Arachnoids
B. Pleural membrane
C. Meninges
D. None of these
2. Which one of the following organisms has a role in converting nitrates to free nitrogen?
A. Pseudomonas
B. Nitrosomonas
C. Nitrobacter
D. Rhizobium
3. Consider the following with reference to human nutrition:
1. Vitamin A
2. Vitamin B2
3. Vitamin E
For which of these are green leafy vegetables rich sources?
A. 1 and 2
B. 2 only
C. 1 and 3
D. 1,2 and 3
4. Select correct match of the Biological theories or laws and Scientists.
A. Laws of Inheritance - Lamarck
B. Theories of Organic Evolution - Darwin
C. Theories of Natural Selection - Mendel
D. Germplasm Theory - Weismann
5. Which one of the following is the richest source of vitamin C?
A. Guava
B. Pineapple
C. Orange
D. Tomato
ANSWERS:
1. ANS C
2. ANS D
3. ANS. D
4. ANS. D
5. ANS. C
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