____ is the middle layer of meninges.

Correct! Wrong!

Arachnoid membrane is the middle protective membrane. Outer thick non-vascular membrane is dura mater and inner pia mater.

An amino acid hormone secreted by thyroid gland is ____.

Correct! Wrong!

Thyroxine is iodine containing amino acid hormone. It regulates carbohydrate, protein and fat metabolism.

Which of the following function is performed by an ovary?

Correct! Wrong!

Ovary produces female gamete called ovum and also secretes female sex hormones namely estrogen and progesterone.

In endocrine system, the largest gland is ____.

Correct! Wrong!

Thyroid gland is the largest gland in endocrine system that helps in regulation of proteins, carbohydrates and fat metabolism.

Auxins can induce the growth of ____ roots in stem cutting.

Correct! Wrong!

Auxins can induce the growth of adventitious roots in plants grown by stem cutting.

The brain stem is a ____.

Correct! Wrong!

The brain stem connects the brain to the spinal cord and is a part of the hindbrain. The brain stem controls vital body processes.

Neurotransmitters are present at ____.

Correct! Wrong!

Neurotransmitters are present at synapse and they help in transmission of the nerve impulse from one nerve cell to another.

The functional gap between two neurons is ____.

Correct! Wrong!

Synapse is the functional gap between two neurons, that helps in transmission of impulses.

Meninges that is very close to skull is ____.

Correct! Wrong!

Dura matter is the meninges that lies very close to skull.

The hormones secreted by testis and ovary are ____ and ____ respectively.

Correct! Wrong!

Testis secretes testosterone and ovary secretes estrogen and progesterone.

The activity of the target cells of the body are influenced by ____.

Correct! Wrong!

Hormones can stimulate or inhibit the activity of the target cells of the body.

The largest part of the brain is ____.

Correct! Wrong!

Cerebrum is the largest part of the brain that belongs to fore brain.

Central nervous system includes ____.

Correct! Wrong!

Central nervous system includes only brain and spinal cord.

Which of the following is known as "4S" gland?

Correct! Wrong!

Cortex region of adrenal gland secretes corticosteroids that helps in regulation of sugar, stress, salt and sexual behaviour, hence known as "4S" gland.

The simplest kind of nerve pathway is reflex arc.

Correct! Wrong!

It is the pathway under taken by nerve impulses from the receptor to the effector organ during a reflex action. It involves receptor, sensory nerve, central nervous system, motor nerve and effector organ.

Endocrine glands are the glands that secrete hormones into ____.

Correct! Wrong!

Endocrine glands are ductless glands that secrete hormones into the blood directly.

Which of the following is an example of short day long plant?

Correct! Wrong!

Short day long plants or day neutral plants, are not dependent on photoperiod. E.g: tomato and sun flower.

In multicellular organisms, control and coordination activities are performed by ____.

Correct! Wrong!

Both nervous system and endocrine system together control and coordinate the body activities in multicellular organisms.

Myelin sheath in neurons provides insulation to axon.

Correct! Wrong!

Myelin sheath in neurons acts as an insulator that prevents mixing of impulses. Such neurons are called myelinated neurons.

Which among the following is incorrect about pituitary gland?

Correct! Wrong!

Body heat is regulated by hypothalamus, a part of fore brain.

Which of the following is not a function of spinal cord?

Correct! Wrong!

Spinal cord acts as modulator, controls all the reflex actions, controls muscular movements and reduces the burden on brain.

Corpus callosum is ____.

Correct! Wrong!

The cerebrum is divided into two hemispheres, the left and right cerebral hemispheres. There is a deep grove that separates the two hemispheres. The hemispheres are connected in a region known as the corpus callosum.

Phytohormones used in development of male flowers on genetically developed female plants are____.

Correct! Wrong!

Gibberellins induces the formation of male flower on genetically developed female plants like cannabis and cucurbits.

Which of the following part of the pituitary gland that controls growth and development of gonads?

Correct! Wrong!

The anterior lobe of pituitary gland is adenohypophysis. It secretes ACTH, TSH, GH, FSH and LH. FSH and LH controls growth and development of gonads.

Which one of the following organs is responsible for reflex action?

Correct! Wrong!

Spinal cord acts as modulator, controls all the reflex actions and reduces the burden on brain. Hence spinal cord is responsible for reflex action.

Insulin is produced by ____.

Correct! Wrong!

Insulin is produced by beta cells of islets of langerhans of pancreas.

The response to the environmental stimulus is co-ordinated by ____.

Correct! Wrong!

The response to the environmental stimulus is co-ordinated by both endocrine system and nervous system.

2, 4-D promotes flowering in ____.

Correct! Wrong!

2, 4 -D is used for producing more number of flowers in apple.

Body temperature is controlled by ____.

Correct! Wrong!

Body temperature is controlled by hypothalamus.

Which of the following selectively accumulates iodine in the body?

Correct! Wrong!

Thyroid gland absorbs iodine to synthesize thyroxine hormone.

7 Control and Coordination MCQs
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