Join WhatsApp ChannelDaily MCQs & Exam Updates

NTS MCQs

National Testing Service — Complete MCQ Bank

1,084 Questions
Exam Preparation Guide

How to prepare for NTS

NTS tests evaluate aptitude, analytical reasoning, quantitative ability, English and subject knowledge for admissions, scholarships and recruitment.

EnglishQuantitative SkillsAnalytical ReasoningSubject Knowledge
Practice under a timer and review weak areas after every test to improve both speed and accuracy.
NTS preparation illustration
151
Biology Medium

What is the term for the symbiotic relationship where one organism benefits and the other is harmed?

  • AMutualism
  • BCommensalism
  • CAmensalism
  • DParasitism
Permalink
Correct Answer: Option D — Parasitism
Explanation: Parasitism is a symbiotic relationship where one organism the parasite benefits at the expense of the other the host causing it harm such as tapeworms in the intestines.
Submitted by: PaperMCQs
152
Biology Medium

What is the term for the symbiotic relationship where both organisms benefit?

  • ACommensalism
  • BParasitism
  • CMutualism
  • DAmensalism
Permalink
Correct Answer: Option C — Mutualism
Explanation: Mutualism is a type of symbiotic relationship where both organisms involved benefit from their interaction such as the relationship between bees and flowers.
Submitted by: PaperMCQs
153
Biology Medium

Which branch of biology deals with the study of viruses?

  • ABacteriology
  • BMycology
  • CParasitology
  • DVirology
Permalink
Correct Answer: Option D — Virology
Explanation: Virology is the branch of biology that studies viruses including their structure classification evolution mechanisms of infection and methods of control.
Submitted by: PaperMCQs
154
Biology Easy

Which disease results from the inability to produce or use insulin effectively?

  • ADiabetes mellitus
  • BHypertension
  • CAnaemia
  • DAsthma
Permalink
Correct Answer: Option A — Diabetes mellitus
Explanation: Diabetes mellitus results from insufficient insulin production or ineffective insulin utilisation leading to persistently high blood glucose levels that can damage organs over time.
Submitted by: PaperMCQs
155
Biology Medium

Which hormone regulates blood glucose levels by promoting its uptake by cells?

  • AGlucagon
  • BAdrenaline
  • CThyroxine
  • DInsulin
Permalink
Correct Answer: Option D — Insulin
Explanation: Insulin produced by the beta cells of the pancreas lowers blood glucose levels by promoting its uptake by body cells and stimulating its conversion to glycogen in the liver.
Submitted by: PaperMCQs
156
Biology Medium

Which gland is called the master gland of the endocrine system?

  • AThyroid gland
  • BPituitary gland
  • CAdrenal gland
  • DPancreas
Permalink
Correct Answer: Option B — Pituitary gland
Explanation: The pituitary gland is called the master gland because it secretes hormones that regulate the activity of other endocrine glands including the thyroid adrenal and reproductive glands.
Submitted by: PaperMCQs
157
Biology Medium

What is the chemical messenger secreted by endocrine glands into the bloodstream called?

  • AHormone
  • BEnzyme
  • CNeurotransmitter
  • DAntibody
Permalink
Correct Answer: Option A — Hormone
Explanation: Hormones are chemical messengers secreted by endocrine glands directly into the bloodstream and transported to target organs where they regulate physiological processes.
Submitted by: PaperMCQs
158
Biology Medium

Which part of the brain controls vital involuntary functions such as breathing heart rate and blood pressure?

  • ACerebrum
  • BCerebellum
  • CThalamus
  • DMedulla oblongata
Permalink
Correct Answer: Option D — Medulla oblongata
Explanation: The medulla oblongata located in the brainstem regulates vital involuntary functions including breathing heart rate blood pressure and reflexes essential for survival.
Submitted by: PaperMCQs
159
Biology Medium

Which part of the human brain controls balance and coordinates muscular movement?

  • ACerebellum
  • BCerebrum
  • CMedulla oblongata
  • DThalamus
Permalink
Correct Answer: Option A — Cerebellum
Explanation: The cerebellum coordinates voluntary movements maintains balance and posture and fine-tunes motor activities by processing information from the sensory systems and other brain areas.
Submitted by: PaperMCQs
160
Biology Medium

Which part of the human brain is responsible for voluntary movement and higher cognitive functions?

  • ACerebellum
  • BMedulla oblongata
  • CCerebrum
  • DHypothalamus
Permalink
Correct Answer: Option C — Cerebrum
Explanation: The cerebrum is the largest part of the human brain responsible for voluntary movement perception memory language reasoning and other higher cognitive functions.
Submitted by: PaperMCQs