The features of cretinism include

Important Questions on Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Name a peptide hormone which acts mainly on hepatocytes and adipocytes and enhances cellular glucose uptake and utilisation.

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Which of these is not an important component of initiation of parturition in humans?

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

The posterior pituitary gland is not a 'true' endocrine gland because

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Which of the following hormones is produced by the pancreas?

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Which one of the following hormones though synthesized elsewhere, is stored and release by the master gland?

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Oxytocin and vasopressin are synthesized in

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

A chemical signal that has both endocrine and neural roles is:

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Which of the following glucose transporters are insulin-dependent?

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Which one of the following hormones is not involved in sugar metabolism?

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Glucagon increases the blood glucose concentration by:

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

A diabetic individual becomes unconscious after self-administering insulin. What should be done immediately to revive the individual?

HARD

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Mention the name and symptoms of the disease characterised by increased BMR?

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

A temporary endocrine gland in the human body is

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

What causes Graves' disease?

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Hypersecretion of Growth Hormone in adults does not cause a further increase in height, because

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

The main function of mammalian corpus luteum is to produce:

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Match the following hormones with the respective disease:

	Column – I		Column – II
$\left(\mathrm{a}\right)$	Insulin	$\left(\mathrm{i}\right)$	Addison’s disease
$\left(\mathrm{b}\right)$	Thyroxin	$\left(\mathrm{i}\mathrm{i}\right)$	Diabetes insipidus
$\left(\mathrm{c}\right)$	Corticoids	$\left(\mathrm{i}\mathrm{i}\mathrm{i}\right)$	Acromegaly
$\left(\mathrm{d}\right)$	Growth Hormone	$\left(\mathrm{i}\mathrm{v}\right)$	Goitre
		$\left(\mathrm{v}\right)$	Diabetes mellitus

Select the correct option

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Leydig cells synthesize:

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.>Structure and Function - Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system

Give reasons: 
People living in the hilly regions are advised to use iodised salt.