Lesson – Biology
Q601. The enzymes are basically
(d) amino acids
Q602. ‘Darwin finches’ refers to a group of
Q603. In which of the following groups, animals bear no teeth?
(a) Peacock, Ostrich, Tortoise
(b) Owl, Loris, Crow
(c) Alligator, Turtle, Tortoise
(d) Turtle, Kiwi, Cow
Q604. Which of the following weeds has been found useful to check water pollution caused by industrial affluents ?
(b) Elephant grass
(c) Water hyacinth
(d) Both (a) and (b) above
Q605. The element which is the most abundant in the human body is—
Q606. Teeth and Bones acquire strength and rigidity from
Q607. Master copy of genetic information is
Q608. Cockroach cannot survive in the water because its respiratory organ is
(c) Book lung
(d) Pulmonary Sac
Q609. Fiber diet includes :
Q610. From which part of a plant is turmeric obtained?
Q611. ____ is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi.
Q612. Which of the following fibres is considered as the strongest natural fibre?
Q613. An example of hormone is
Q614. The sense of balance is achieved by :
(a) Cerebrum equilibrium
(b) Thalamus equilibrium
(c) Cerebellum equilibrium
(d) Spinal chord equilibrium
Q615. The cuticle is absent in
Q616. Which of the following is not a gland ?
Q617. Normal fasting blood sugar level per 100 ml. of blood in man is
(a) 30 – 50 mg
(b) 50 – 70 mg
(c) 80 -100 mg
(d) 120 -140 mg
Q618. Vitamin E is particularly important for
(a) development of teeth
(b) carbohydrate metabolism
(c) normal activity of sex glands
(d) general health of epithelial tissues
Q619. Silk is obtained from—
(a) Mulberry tree
(b) Saliva of the silk worm
(c) Larvae of silk worm
(d) Cocoon of silk worm
Q620. In a human body, the longest bone is in the
(a) vertebral column
(c) rib cage
Q621. Rinderpest disease of Cattle is caused by
Q622. Who among the following have venous heart?
Q623. Bio – diesel is mostly produced by :
Q624. Allosomes are
(a) cell organelles
(b) plant hormones
(d) sex chromosomes
Q625. The following sugar gives energy most readily
Q626. Which of the following is the largest living bird ?
Q627. What is the main purpose of white blood corpuscles?
(a) to carry nutrients
(b) to combat infection
(c) to carry oxygen
(d) to give strength
Q628. The parts of human body affected by Pyria are:
(b) small intestine
(c) teeth and gums
(d) large intestine
Q629. Hydrogen peroxide is an effective sterilizing agent. Which one of the following product results when it readily loses active oxygen?
(a) Nascent Hydrogen
Q630. What is ‘Biodiversity’ ?
(a) Many types of flora & fauna in one forest
(b) Many types of flora and fauna in many forests
(c) Many population of one species in one forest
(d) All the above are true.
Q631. Ginger is a modified
Q632. Wisdom teeth is the :
(a) 1st molar teeth
(b) 2nd molar teeth
(c) 3rd molar teeth
(d) 4th molar teeth
Q633. If the radius of blood vessels of a person decreases his/her blood pressure will
(c) remain unaffected
(d) increase for males and decrease for females
Q634. Cancer is a disease where we find uncontrolled
(a) cell division
(b) cell swelling
(c) cell inflammation
(d) cell deformity
Q635. A test tube baby means :
(a) a baby grown in a test tube.
(b) embryo fertilised in uterus and developed in test tube.
(c) embryo fertilised and developed in uterus.
(d) fertilisation in vitro and then transplantation in the uterus.
Q636. Which of the following prevents bleeding of gums ?
(a) Ascorbic acid
(b) Vitamin B
Q637. The Particulate Matter (PM-10) exhaled from the pol luted atmosphere is often filtered out during the process of
(c) A and B
Q638. Mycobacterium leprae is a
Q639. Which vitamin deficiency causes the disease, Pernicious anaemia ?
(a) Vitamin B5
(b) Vitamin B12
(c) Vitamin B6
(d) Vitamin C
Q640. What determines the sex of a child ?
(a) Chromosomes of the father
(b) Chromosomes of the mother
(c) Rh factor of the parents
(d) Blood group of the father