CBSE Class 10 Biology Control and Coordination MCQs Set C

Question: A blood vessel which carries blood back to the heart is :
a) artery
b) vein
c) capillary
d) platelet
Answer: b

Question: Blood is pumped from the heart to the entire body by the :
a) lungs
b) ventricles
c) atria
d) nerves
Answer: b

Question: In autotrophs, water is transported through :
a) root hair
b) phloem
c) stomata
d) xylem
Answer: d

Question: The growth of tendril in pea plants is due to
a) effect of light
b) effect of gravity
c) rapid cell divisions in tendrillar cells that are away from the support
d) rapid cell divisions in tendrillar cells in contact with the support
Answer: c

Question: Water absorption through roots can be increased by keeping the potted plants :
a) in the shade
b) in dim light
c) under the fan
d) covered with a polythene bag
Answer: c

Question: The movement of a plant part in response to the force of attraction exerted by the earth is called:
a) Hydrotropism
b) Geotropism
c) Chemotropism
d) Phototropism
Answer: b

Question: The shorter fibres of nerve cell are called…
a) dendrite
b) axon
c) synapse
d) nerve fibre
Answer: a

Question: In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body ?
a) pisces and amphibians
b) amphibians and reptiles
c) amphibians only
d) pisces only
Answer: d

Question: Which one of the following is a nastic movement in plants?
a) Bending of plants towards light
b) Growing of roots towards gravity.
c) Dropping of touch – me – not leaflets on touch
d) Movement of pollen tubes towards chemicals.
Answer: c

Question: Iodine is necessary for the synthesis of which of the following hormone?
a) Adrenaline
b) Auxin
c) Thyroxine
d) Insulin
Answer: c

Question: The wave of expansion of an artery when blood is forced into it is called :
a) flow
b) heart beat
c) pulse
d) ticking
Answer: c

Question: An animal having double circulation in a three-chambered heart is :
a) fish
b) snake
c) deer
d) sparrow
Answer: b

Question: The central nervous system consists of…
a) brain
b) spinal cord
c) brain and spinal cord
d) cerebrum and pons
Answer: c

Question: ……………………..of the following is not a part of brain.
a) Fore-brain,
b) Mid-brain
c) Lateral- brain
d) Hind-brain.
Answer: c

Question: The cells in our blood which destroy disease-causing germs, are :
a) platelets
b) skin cells
c) RBCs
d) WBCs
Answer: d

Question: Neurotransmitters are secreted by dendrites in
a) Synapse
b) Axon
c) Neuron
d) All
Answer: a

Question: Following is main thinking part of the brain
a) fore-brain
b) mid-brain
c) hind-brain
d) all of the options
Answer: a

Question: The blood leaving the tissues becomes richer in :
a) carbon dioxide
b) water
c) haemoglobin
d) oxygen
Answer: a

Question: One of the following does not have a nucleus. This one is :
a) red blood cell
b) white blood cell
c) guard cell
d) epidermal cell
Answer: a

Question: The two cerebral hemispheres are joined together by…
a) cranium
b) pons
c) medulla oblongata
d) corpus callosum
Answer: d

Question: Without ___ the two sides of brain won't work ?
a) frontal lobe
b) cerebral cortex
c) thalamus
d) corpus callosum
Answer: d

Question: Olfactory lobes are a part of:
a) Hind brain
b) Mid brain
c) Fore braincorrect
d) Spinal cord
Answer: c

Question: The stimulus in the process of thigmotropism is
a) touch
b) gravity
c) light
d) chemical
Answer: a

Question: Glycogen is converted into glucose by:
a) glucose kinase
b) glucagon
c) insulin
d) calcitonin
Answer: b

Question: In spinal cord, the grey matter is arranged in ______ shape.
a) H
b) W
c) R
d) K
Answer: a

Question: Which of the following carries substances upwards as well as downwards in a plant ?
a) xylem
b) companion cells
c) phloem
d) tracheids
Answer: c

Question: Which one of the following does not have valves ?
a) heart
b) arteries
c) capillaries
d) veins
Answer: c

Question: By which structure does nerve impulse pass from one nerve cell to other nerve cell?
a) Dendrite
b) Axon
c) Nerve fibre
d) Ranvier’s node
Answer: b

Question: Which gland controls the release of thyroxin and growth hormones
a) Hypothalamus
b) Pituitary
c) Thymus
d) Pineal
Answer: a

Question: In which lobe of cerebrum is the centre for visual reception located?
a) Frontal
b) Parietal
c) Temporal
d) Occipital
Answer: d

Question: Which matter is present in the outer region of brain?
a) Blue matter
b) White matter
c) Grey matter
d) Dark matter
Answer: c

Question: In case of emergency which structure becomes very active:
a) adrenal medulla
b) adrenal cortex
c) thyroid gland
d) pancreas
Answer: a

Question: Which of the following is accomplished in a plant by utilising the energy stored in ATP ?
a) transport of food
b) transport of water and minerals
c) transport of oxygen
d) transport of water, minerals and food
Answer: a

Question: Following involuntary action(s) is(are) controlled by the medulla in the mid brain.
a) blood pressure
b) salivation
c) vomiting
d) all of the options
Answer: d

Question: What stops blood from flowing backwards through the heart ?
Answer: Valves

Question: State the term used for the transport of food from leaves to other parts of plant.
Answer: Translocation

Question: Name (i) largest artery, and (ii) largest vein, in our body.
Answer: (i) Aorta (ii) Vena cava 11. Blood

Question: Name two liquids which help in the transport of substances in the human body.
Answer: blood and Lymph

Question: What is the other name of main vein ?
Answer: Vena cava

Question: Name the two waste products of the human body which are produced in the body cells.
Answer: carbon dioxide and Urea

Question: What is the the other name of ‘high blood pressure’ ?
Answer: Hypertension

Question: Name the conducting tissue of plants which is made of sieve tubes alongwith companion cells.
Answer: Phloem

Question: Name the conducting tissue in plants which is made of a) living cells, and b) dead cells.
Answer: a) Phloem b) Xylem

Question: Which process in a plant is accomplished by utilising energy from ATP : transport of water and minerals or transport of food ?
Answer: Transport of food

Question: Name a waste gas released by the plants a) only during the day time, and b) only during the night time.
Answer: a) Oxygen b) Carbon dioxide

Question: Name the two parts of a plant through which its gaseous waste products are released into the air.
Answer: Lenticels and Stomata

Question: What happens to the glucose which enters the nephron tubule alongwith the filtrate ?
Answer: It is reabsorbed into the blood through blood capillaries surroundings the tubule

Question: Veins and arteries carry blood. Which of these carry blood :
a) away from the heart ?
b) back to the heart ?
Answer: a) Arteries b) Veins

Question: Out of xylem and phloem, which one carries materials :
a) upwards as well as downwards ?
b) only upwards ?
Answer: a) Phloem b) Xylem

Question: State whether the following statements are true or false :
a) Some organisms store wastes in body parts.
b) The value of systolic pressure is always lower than that of diastolic pressure.
Answer: a) True b) False

Fill in the following blanks with suitable words :

Question: Bowman’s capsule and tubule taken together make a……………….
Answer: nephron

Question: The ……………..blood cells make antibodies whereas…………….. blood cells help in respiration.
Answer: white ; red

Question: The organs which extract the nitrogenous wastes from the blood are ………………
Answer: kidneys

Question: Gums and resins are the …………….. products of plants.
Answer: waste

Question: The extracellular fluid which always flows from body tissues to the heart is called………………
Answer: lymph