Home » Control and Coordination Class 10 Science MCQ With Solutions

Control and Coordination Class 10 Science MCQ With Solutions

Update on: 02 Feb 2024, 04:34 PM

Here are some multiple-choice questions (MCQs) for the CBSE Chapter 6 Class 10 Science Control and Coordination. According to the updated CBSE Syllabus, these MCQs are designed to help students become familiar with the question types and their difficulty levels. With the recent changes in the exam pattern for the Class 10 Science syllabus, MCQs have become an important part of the Class 10 Science Board exam. To assist students in understanding these question types, we have compiled MCQs specifically for Chapter 6 to strengthen fundamentals. Additionally, answers to these MCQs are also available for students to reference. These MCQs are available in this post, enabling students to access them anytime during their studies. Students can also use the CBSE Class 10 Sample Papers books for more practice.

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CBSE Class 10 Chapter 6 Control and Coordination MCQs

Q.1. The hormone that affects urination is

(a) adrenaline (b) vasopressin
(c) estrogen (d) thyroxine.

Answer

(b): Vasopressin (antidiuretic hormone-ADH), secreted by the posterior lobe of pituitary controls water and electrolyte balance in the body fluids, called osmoregulation.

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Q.2. Spinal cord originates from

(a) cerebrum (b) cerebellum
(c) medulla (d) pons

Answer

(c): The spinal cord is a cylindrical cord which arises from the medulla oblongata and runs along the vertebral column

Q.3. Pain centres in human brain differentiate between two stimuli on basis of

(a) differences in threshold stimuli
(b) differences in amplitude of nerve impulses generated by two different stimuli
(c) differences in frequency of nerve impulses generated by two different stimuli
(d) different neuron in brain to receive different stimuli.

Answer

(b)

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Q.4. Select the correct pathway of reflex arc.

(a) Receptor → Effector → Afferent neuron → Efferent neuron → Association neuron
(b) Receptor → Efferent neuron → Association neuron → Afferent neuron → Effector
(c) Receptor → Association neuron → Afferent neuron → Effector
(d) Receptor → Afferent neuron → Association neuron → Efferent neuron → Effector

Answer

(d)

Q.5. Which of the following is the main function of abscisic acid in plants ?

(a) To increase the length of cells
(b) To promote cell division
(c) To inhibit growth
(d) To promote growth of stem

Answer

(c): Abscisic acid is a plant hormone (phytohormone) produced naturally. It is formed in root and terminal buds and is transported by the vascular system to other parts of the plant. Abscisic acid acts as growth inhibitor

Q.6. In plants “auxin” is used for

(a) closure of stomata
(b) ripening of fruits
(c) root growth inhibition
(d) elongation and division of cell.

Answer

(d): Auxins promote both cell division and cell elongation. Ethylene induces ripening of fruits. Abscisic acid (ABA) inhibits root growth and cause closure of stomata.

Q.7. Which hormone is not found in plants?

(a) Gibberellin (b) Auxin
(c) Cytokinin (d) Glucagon

Answer

(d): Glucagon is secreted by Islets of Langerhans of pancreas in human beings

Q.8. A person is excreting about 10 litres of urine per day. Which of the following endocrine gland is responsible for this?

(a) Pituitary (b) Thyroid
(c) Parathyroid (d) Adrenal

Answer

(a): Hormone vasopressin or Antidiuretic hormone (ADH) is secreted by the pituitary gland and controls reabsorption of water in kidney tubules, thus helps in regulation of water and electrolyte balance.

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Q.9. Salivary glands around the buccal cavity, gastric glands in the stomach wall and liver are some examples of

(a) heterocrine glands
(b) endocrine glands
(c) exocrine glands
(d) all of these.

Answer

(c): Sweat and sebaceous glands in the skin, salivary glands around the buccal cavity, gastric glands in the stomach wall and liver are some examples of exocrine glands.

Q.10. The outermost layers of meninges is

(a) myelin membrane
(b) arachnoid mater
(c) dura mater
(d) pia mater

Answer

(c): Human brain is covered by three meninges :
(i) Pia mater – It is inner, thin and vascular.
(ii) Arachnoid mater – It is middle, thin and vascular.
(iii) Dura mater – It is thick, outer and fibrous.

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Answer –

Summary for NCERT class 10 science chapter 6 – “Control and Coordination”

Control and coordination are the functions of the nervous system and hormones in our bodies.
The responses of the nervous system can be classified as reflex action, voluntary action or involuntary action.
The nervous system uses electrical impulses to transmit messages.
The nervous system gets information from our sense organs and acts through our muscles.
Chemical coordination is seen in both plants and animals.
Hormones produced in one part of an organism move to another part to achieve the desired effect.
A feedback mechanism regulates the action of the hormones.

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We hope the MCQs for the CBSE Class 10 Science Chapter 6 on Control and Coordination are helpful for your board exam preparation.

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