Q1. Oogenesis is defined as
a. Formation of sperms
b. Formation of egg
c. Both (a) and (b)
d. None of the above
Q2. Which bonds are present between nitrogen bases in DNA?
a. Peptide bond
b. Coordinate bond
c. Covalent bond
d. H-bond
Q3. Which of the following linking is correct in DNA?
a. A-G, T-A
b. A-T, G-C
c. A-G, T-C
d. A-C, T-A
Q4. Feathers of butter fly, bat and birds are examples of?
a. Analogous organs
b. Homologous organs
c. Vestigial organs
d. None of these
Q5. ‘XXY’/ ‘XYY’ instead of ‘XY/XX’ in human leads to?
a. Klinefelter syndrome
b. Haemophilia
c. Colour blindness
d. Down’s syndrome
Q6. What is the no of chromosomes present in Diploid cell?
a. n
b. 2n
c. n+2
d. None of these
Q7. Entomophily is?
a. Pollination by insects
b. Pollination by wind
c. Pollination by water
d. None of these
Q8. Glucose is basic source of?
a. Fats
b. Minerals
c. Vitamins
d. Carbohydrates
Q9. Typhoid is caused by?
a. House fly
b. Mosquito
c. Salmonella typhi
d. Mycoplasma
Q10. Bt in Bt cotton represents?
a. Bacillus Thuringiensis
b. Bacillus Tetrad
c. Bacillus Triome
d. Bacillus Thrombosis
Answers:
1(b), 2(d), 3(c),4(a), 5(a), 6(b), 7(a), 8(d), 9(c), 10(a)