Q1. A plant which reproduces by means of spores
(a) Mustard
(b) Coriander
(c) Ferns
(d) Petunia
Q2. Male mosquitoes
(a) Suck blood
(b) Feed on plant juices
(c) Spread encephalitis
(d) Spread malaria
Q3. Which are not included in the milk-teeth in a child of 3-4 years?
(a) Incisors
(b) Canines
(c) Molars
(d) Premolars
Q4. Insufficient dietary iodine can cause
(a) Cretinism
(b) Giant build
(c) Enlarged thyroid
(d) Small thyroid
Q5. The source of oxygen generated during photosynthesis is:
(a) water
(b) carbon dioxide
(c) chlorophyll
(d) mesophyll cells
Q6. The metal present in insulin is
(a) Copper
(b) Iron
(c) Zinc
(d) Magnesium
Q7. Which of the following is a rich source of Vitamin B-12?
(a) Cashew nut
(b) Milk
(c) Apple
(d) Watermelon
Q8. The Vitamin which helps in clotting of blood is:
(a) A
(b) D
(c) B
(d) K
Q9. Number of Eyes in an Earthworm is–
(a) one
(b) two
(c) many
(d) no eyes
Q10. Haemoglobin is a
(a) protein
(b) carbohydrate
(c) fat
(d) vitamin
Q11. The average heartbeat rate per minute in a normal person is
(a) 82
(b) 92
(c) 72
(d) 98
Q12. Blood pressure is controlled by
(a) Adrenal gland
(b) Thyroid gland
(c) Thymus
(d) Corpus luteum
Q13. What is the number of chromosomes in a normal human body cell?
(a) 43
(b) 44
(c) 45
(d) 46
(a) Enzyme
(b) Hormone
(c) Mineral
(d) Vitamin
Q15. Excretory products of mammalian embryo are eliminated out by
(a) Placenta
(b) Amniotic fluid
(c) Allantois
(d) Ureter
