MCQs for Science Class 10 with Answers Chapter 7 Control and Coordination
Students of class 10 Science should refer to MCQ Questions Class 10 Science Control and Coordination with answers provided here which is an important chapter in Class 10 Science NCERT textbook. These MCQ for Class 10 Science with Answers have been prepared based on the latest CBSE and NCERT syllabus and examination guidelines for Class 10 Science. The following MCQs can help you to practice and get better marks in the upcoming class 10 Science examination
Chapter 7 Control and Coordination MCQ with Answers Class 10 Science
MCQ Questions Class 10 Science Control and Coordination provided below have been prepared by expert teachers of grade 10. These objective questions with solutions are expected to come in the upcoming Standard 10 examinations. Learn the below provided MCQ questions to get better marks in examinations.
Question. Which plant hormone promotes cell division?
(a) Auxin
(b) Gibberellin
(c) Cytokinin
(d) Abscisic acid
Answer
C
Question. Assertion: Reflex Arc works faster than thinking process of brain.
Reason: Reflex Arc works in case of those animals who donot have thinking process.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.
Answer
C
Question. Movement of sunflower in accordance with the path of Sun is due to
(a) Chemotropism
(b) Geotropism
(c) Phototropism
(d) Hydrotropism
Answer
C
Question. Which of the following acts as both endocrine and exocrine glands?
(a) Adrenal
(b) Pituitary
(c) Ovaries
(d) Pancreas
Answer
D
Question. Breathing is controlled by which part of the brain?
(a) Cerebrum
(b) Cerebellum
(c) Hypothalamus
(d) Medulla oblongata
Answer
D
Question. Which of the following is not associated with growth of plant?
(a) Auxin
(b) Gibberellins
(c) Cytokinins
(d) Abscisic acid
Answer
D
Question: Roots of plants are:
(a) positively geotropic
(b) negatively geotropic
(c) positively phototropic
(d) None of these
Answer
A
Question: Response of plant roots towards water is called:
(a) Chemotropism
(b) Phototropism
(c) Hydrotropism
(d) Geotropism
Answer
C
Question: Which plant hormone promotes dormancy in seeds and buds?
(a) Auxin
(b) Gibberellin
(c) Cytokinin
(d) Abscisic acid
Answer
D
Question: Which plant hormone promotes cell division?
(a) Auxin
(b) Gibberellin
(c) Cytokinin
(d) Abscisic acid
Answer
C
Question: The main function of abscisic acid in plants is
(a) to promote cell division.
(b) to inhibit growth.
(c) to promote growth of stem.
(d) to increase the length of cells.
Answer
B
Question: Fall of mature leaves and fruits from plants is triggered by which of the following substance?
(a) Auxin
(b) Cytokinin
(c) Gibberellin
(d) Abscisic acid
Answer
D
Question: Movement of sunflower in accordance with the path of Sun is due to
(a) Chemotropism
(b) Geotropism
(c) Phototropism
(d) Hydrotropism
Answer
C
Question: A part of the body which responds to the in-structions sent from nervous system is called
(a) receptor
(b) effector
(c) nerves
(d) muscles
Answer
B
Question: The longest fibre on the cell body of a neuron is called
(a) sheath
(b) cytoplasm
(c) axon
(d) dendrites
Answer
C
Question: Any change in the environment to which an organism responds is called
(a) stimulus
(b) coordination
(c) response
(d) hormone
Answer
A
Question: A microscopic gap between a pair of adjacent neurons over which nerve impulses pass is called
(a) neurotransmitter
(b) dendrites
(c) axon
(d) synapse
Answer
D
Question: Which nerves transmit impulses from the cen¬tral nervous system towards muscle cells?
(a) Sensory nerves
(b) Motor nerves
(c) Relay nerves
(d) Cranial nerves
Answer
B
Question. Which of the following is a plant hormone?
(a) Insulin
(b) Thyroxin
(c) Oestrogen
(d) Cytokinin
Answer
D
Question. A part of the body which responds to the in-structions sent from nervous system is called
(a) receptor
(b) effector
(c) nerves
(d) muscles
Answer
B
Question. Which gland secretes the growth hormone?
(a) Pituitary gland
(b) Thyroid
(c) Hypothalamus
(d) Adrenal
Answer
A
Question. Which hormone regulates the ionic balance in the body?
(a) Glucagon
(b) Thyroxine
(c) Testosterone
(d) Vasopressin
Answer
D
Question. The main function of abscisic acid in plants is
(a) to promote cell division.
(b) to inhibit growth.
(c) to promote growth of stem.
(d) to increase the length of cells.
Answer
B
Question. The main effect of cytokinin in plants is to
(a) improve the quality of fruits
(b) prevent the growth of lateral buds
(c) regulate opening and closing of stomata
(d) stimulate cell division
Answer
D
Question. Which plant hormone promotes dormancy in seeds and buds?
(a) Auxin
(b) Gibberellin
(c) Cytokinin
(d) Abscisic acid
Answer
D
Question: Which of the following is not a ductless gland?
(a) Adrenal
(b) Liver
(c) Thyroid
(d) Pituitary
Answer
B
Question: Which of the following statements is correct about receptors?
(a) Gustatory receptors detect taste while olfactory receptors detect smell
(b) Both gustatory and olfactory receptors detect smell
(c) Auditory receptors detect smell and olfactory receptors detect taste
(d) Olfactory receptors detect taste and gustatory receptors smell
Answer
A
Question: Involuntary actions in the body are controlled by
(a) medulla in forebrain
(b) medulla in midbrain
(c) medulla in hindbrain
(d) medulla in spinal cord
Answer
C
Question: Which of the following is not associated with growth of plant?
(a) Auxin
(b) Gibberellins
(c) Cytokinins
(d) Abscisic acid
Answer
D
(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion.
(b) The Assertion and the Reason are correct but the Reason is not thecorrect explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) The statement of the Assertion is false but the Reason is true.
Question: Assertion: Reflex Arc works faster than thinking process of brain.
Reason: Reflex Arc works in case of those animals who donot have thinking process.
Answer
C
Question: Assertion: Impulse travels from dendrite to cell body and then along the axon to its end.
Reason: Information acquired at the end of the dendrite tip of a nerve cell sets of an
Answer
A
Question: Assertion: Brain is a delicate organ which is protected from injury.
Reason: The bony box protects the brain from any shock.
Answer
C
Question: Assertion: Plants do have a nervous system for control and coordination.
Reason: Plants use electro chemical means to convey information from cell to cell.
Answer
D
Question: Assertion: On attaining puberty, breast size increases and reproductive organs develop in females.
Reason: Ovaries release hormone proges-terone in female.
Answer
B
Question: The box enclosing the brain is called the ____________ .
Answer
Cranium
Question: The lobes — parietal, temporal, frontal and occipital belong to ____________ .
Answer
Cerebrum
Question: The cells in our body that can be over a foot long are ____________ .
Answer
Nerve cells
Question: Posture and balance of the body is controlled by ____________ .
Answer
Cerebrum
Question: The movement of sunflower in accordance with the path of sun is due to ____________ .
Answer
phototropism
Question: In a neuron, conversion of electrical signal to a chemical signal occurs at/in ____________ .
Answer
Axonal end
Question: The movement of shoot towards light is ____________ .
Answer
Phototropism
Question. Assertion: On attaining puberty, breast size increases and reproductive organs develop in females.
Reason: Ovaries release hormone proges-terone in female.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.
Answer
B
Question. Reflex actions are mediated through
(a) brain
(b) effectors
(c) spinal cord
(d) receptors
Answer
C
Question. Roots of plants are:
(a) positively geotropic
(b) negatively geotropic
(c) positively phototropic
(d) None of these
Answer
A
Question. Any change in the environment to which an organism responds is called
(a) stimulus
(b) coordination
(c) response
(d) hormone
Answer
A
Question. Assertion: Brain is a delicate organ which is protected from injury.
Reason: The bony box protects the brain from any shock.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.
Answer
C
Question. The highest coordinating centre in the human body is
(a) spinal cord
(b) heart
(c) brain
(d) kidney
Answer
C
Question. The longest fibre on the cell body of a neuron is called
(a) sheath
(b) cytoplasm
(c) axon
(d) dendrites
Answer
C
Question. The brain is lodged inside the cavity of skull known as :
(a) Piamater
(b) Duramater
(c) Cranium
(d) Meninges
Answer
C
Question. Which part of nervous system controls the reflex activities of the body?
(a) Brain
(b) Spinal cord
(c) Cerebrum
(d) Cerebellum
Answer
B
Question. The substance that result into the fall of mature leave and fruits from plants is due to :
(a) auxin
(b) gibberllin
(c) ABA
(d) cytokinin
Answer
B
We hope the above multiple choice questions for Class 10 Science for Chapter 7 Control and Coordination provided above with answers based on the latest syllabus and examination guidelines issued by CBSE, NCERT and KVS are really useful for you. Control and Coordination is an important chapter in Class 10 as it provides very strong understanding about this topic. Students should go through the answers provided for the MCQs after they have themselves solved the questions. All MCQs have been provided with four options for the students to solve. These questions are really useful for benefit of class 10 students. Please go through these and let us know if you have any feedback in the comments section.