Label the endocrine glands in the Figure.
a) Pineal Gland b) Pituitary gland c) Thyroid gland d) Thymus Explanation Pineal gland This is also a gland located... View Article
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Name the plant hormones responsible for the following (a) elongation of cells (b) growth of stem (c) promotion of cell division (d) falling of senescent leaves.
1. Growth of the stem – Gibberillins 2. Promotion of cell division- cytokinins 3. Inhibition of growth – Abscissic acid... View Article
Label the parts (a), (b), (c) and (d) and show the direction of flow of electrical signals in Figure
a) Sensory neuron b) Spinal cord c) Motor neuron d) Muscle Sensory Neurons The sensory neurons convert signals from the... View Article
In humans, the life processes are controlled and regulated by (a) reproductive and endocrine systems (b) respiratory and nervous systems (c) endocrine and digestive systems (d) nervous and endocrine systems
d) Nervous and endocrine systems Explanation Nervous System Endocrine System Electrical impulses are the messengers in the nervous system Hormones... View Article
The junction between two neurons is called (a) cell junction (b) neuromuscular junction (c) neural joint (d) synapse
d) Synapse Explanation Synapse, also called neuronal junction, the site of transmission of electric nerve impulses between two nerve cells... View Article
Which of the following endocrine glands is unpaired? (a) Adrenal (b) Testes (c) Pituitary (d) Ovary
c) Pituitary Explanation The pituitary gland is an endocrine gland. It is present near the base of the brain. It... View Article
The hormone which increases the fertility in males is called (a) oestrogen (b) testosterone (c) insulin (d) growth hormone
b)Testosterone Explanation Testosterone is a sex hormone that is secreted by the testes. In males, it is produced by the... View Article
A doctor advised a person to take an injection of insulin because (a) his blood pressure was low (b) his heart was beating slowly (c) he was suffering from goitre (d) his sugar level in blood was high
d) His sugar level in blood was high Explanation Insulin is delivered from pancreas, from a specific cell called beta... View Article
Dramatic changes of body features associated with puberty are mainly because of the secretion of (a) oestrogen from testes and testosterone from ovary (b) estrogen from adrenal gland and testosterone from pituitary gland (c) testosterone from testes and estrogen from ovary (d) testosterone from thyroid gland and estrogen from pituitary gland
c) Testosterone from testes and estrogen from ovaries. Explanation The male hormone testosterone starts releasing from the testes at the... View Article
Dwarfism results due to (a) Excess secretion of thyroxin (b) Less secretion of growth hormone (c) Less secretion of adrenaline (d) Excess secretion of growth hormone
b) Less secretion of growth hormone Explanation Dwarfism designates a considerable defect in growth (height). It is generally stated that... View Article
Which statement is not true about thyroxin? (a) Iron is essential for the synthesis of thyroxin (b) It regulates carbohydrates, protein and fat metabolism in the body (c) The thyroid gland requires iodine to synthesise thyroxin (d) Thyroxin is also called thyroid hormone
a)Iron is essential for the synthesis of thyroxine Explanation Iron is a crucial component in the production of red blood... View Article
What is the correct direction of flow of electrical impulses?
Answer is (c) Explanation Dendrites of a neuron receive electrical impulse from axonal end of another neuron. After that, electrical... View Article
Double Fish Hook Strategy [UPSC International Relations]
Strategies and doctrines in international relations are very important for the UPSC exam. Questions can be asked about them directly... View Article
30 Aug 2021: UPSC Exam Comprehensive News Analysis
August 30th, 2021, CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related INTERNATIONAL RELATIONS... View Article
What are the tributaries of Ganga?
Ganga has tributaries on both banks. its right bank tributaries are the Yamuna and Son. While Gomti, Ghaghara, Gandak, Kosi... View Article
Which river is known as Dakshin Ganga?
River Godavari is also known as Dakshin Ganga. It is the largest Peninsular river system. It rises in the Nasik... View Article
What is Ganga called in Bangladesh?
After entering Bangladesh, the main branch of the Ganges river is known as the Padma. The Padma is joined by... View Article
Which is the longest river in the world?
River Nile in Africa is the longest river in the world. Its main source is Lake Victoria in east-central Africa.... View Article
Which is the largest plain in India?
The northern plain is the largest plain in India. It spreads over an area of 7 lakh sq. km. The... View Article
Which is the largest delta in the world?
The Sundarban Delta is the largest and fastest-growing delta in the world. It derived its name from the Sundari tree... View Article
