CBSE Class 10 Biology Control And Coordination Worksheet Set C

Question : Intercellular communication in multicellular organisms occur through
(A) digestive system only
(B) nervous system only
(C) both nervous and endocrine system
(D) respiratory system only
Answer : C

Question : Which one is not secreted by pituitary ?
(A) Thyroxine
(B) FSH
(C) GH
(D) ACTH
Answer : A

Question : What will happen, if the thyroid is removed from a tadpole ?
(A) The tadpole will grow into a dwarf frog
(B) The larva will produce giant frog
(C) It will continue indefinitely in larva stage
(D) The larva will die
Answer : C

Question : Tick the right statement -
(A) Spinal cord is a part of central nervous system.
(B) Nerves are continuous fibres
(C) Reflexes are not controlled by nerves
(D) None of the above
Answer : A

Question : Temperature in human beings is controlled by
(A) hypothalamus gland
(B) thyroid gland
(C) pituitary gland
(D) adrenal gland
Answer : A

Question : Chemically hormones are
(A) biogenetic amines only
(B) proteins, steroids and biogenetic amines
(C) proteins only
(D) steroids only
Answer : B

Question : Hormones influence body parts for bringing about
(A) proper growth
(B) co – ordination
(C) stimulation of body parts
(D) proper functioning of body parts
Answer : B

Question : Leuteinising hormone in female
(A) helps in the appearance of secondary sexual characters
(B) stimulates ovary to secrete esterogen
(C) helps in release of the ovum from the ovary
(D) control of blood pressure
Answer : C

Question : Hormone concerned primarily with cell division is
(A) GA3
(B) IAA
(C) NAA
(D) Cytokinins
Answer : D

Question : Which part of brain is more developed in man ?
(A) Medulla
(B) Cerebellum
(C) Cerebrum
(D) Optic lobes
Answer : C

Question : Part of brain involved in muscular movement .
(A) Mid brain
(B) cerebrum
(C) sensory area
(D) cerebellum
Answer : B

Question : Autonomic nervous system controls
(A) reflex action
(B) sense organs
(C) internal organs
(D) skeletal muscle
Answer : C

Question : Which cell organelle is absent in neuron ?
(A) mitochondria
(B) ribosomes
(C) centrioles
(D) nucleus
Answer : C

Question : Which part of the brain is affected first in a drunk person ?
(A) Cerebrum
(B) Medulla oblongata
(C) Cerebellum
(D) Olfactory lobe
Answer : C

Question : Reflex action in a body is not
(A) inborn
(B) automatic & quick
(C) voluntary
(D) protective in nature
Answer : C

Question : The centre for the sense of smell in brain is -
(A) cerebellum
(B) cerebrum
(C) midbrain
(D) olfactory lobes
Answer : D

Question : The study of nervous system and its disorders is called
(A) neurogenesis
(B) hematology
(C) neuroglia
(D) neurology 
Answer : D

Question : Myelin sheath is a covering of
(A) muscle cell
(B) axon
(C) blood vessels
(D) osteocyte
Answer : B

Question : Two halves of the cerebrum are connected through
(A) cerebral hemispheres
(B) medulla oblongata
(C) corpus callosum
(D) pons varolii
Answer : C

Question : Synapse is a close proximity of -
(A) two veins
(B) two arteries
(C) two lymphatics
(D) two neurons.
Answer : D

Question : The largest part of brain is
(A) Corpora quadrigemia
(B) Medulla oblongata
(C) Cerebellum
(D) Cerebrum
Answer : D

Question : Cerebral hemisphere are the centres for
(A) thinking
(B) taste
(C) smell
(D) all the above
Answer : D

More Question

Question : What happens if a young green plant receives sunlight from one direction only?

Question : Which plant hormone’s function is opposite to auxins, gibberellins and cytokinins?

Question : What are endocrine glands?

Question : Which plant hormone helps in ripening of fruits and flowering in plants?

Question : What is reflex action?

Question : What are the components of the CNS (Central Nervous System)?

Question : What are spinal and cranial nerves?

Question : Name the hormone secreted by:

1. Ovary

2. Pancreas

3. Pituitary Gland

Question : Name the gaseous phytohormone.

Question : Write an example of nastic movement in plants.

Question : Activities like coughing, sneezing and swallowing are regulated by which part of the brain?

Question : Which gland secretes adrenaline?

Question : What is function of olfactory lobes?

Question : Give example of chemotropism and hydrotropism.

Short Answer Type I 

Question : How do endocrine glands help in maintaining feedback control?

Question : How does a touch-me-not plant respond on touching? What is this movement called?

Question : Name the components of Human Nervous System?

Question : Where is Cerebro Spinal Fluid (CSF) present? What is its function?

Question : Represent schematically the path of a reflex arc.

Question : Why endocrine glands are called ductless glands? How do they send hormones to the target organs?

Question : Name the plant hormones responsible for the following:

1. Elongation of cells

2. Promotion of cell division

3. Ripening of fruits

4. Growth of the tip stem

Answer the following:

I. Dwarfism results due to deficiency of which hormone?

II. Blood sugar level rises due to deficiency of which hormone?

III. Which gland secretes digestive enzymes as well as hormones?

IV. Which endocrine gland is present in males but not in females?