Tag: biology

Quizzes (1160) Questions (12174)

Questions Related to biology

Multiple choice biology human health and disease drug, tobacco and alcohol consumption addiction and dependence community health and hygiene

The most specific indication in case of cirrhosis of liver cells is the increase in the level of which enzyme?

  1. CoA

  2. SGPT

  3. LDH

  4. CPK
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Alanine aminotransferase (ALT) or serum glutamate pyruvate aminotransferase (SGPT) is the enzyme produced by liver cells. It helps the body metabolize proteins. Cirrhosis is the disease in which normal liver cells are replaced by scar tissue caused by alcohol and viral hepatitis B and C. If the liver is damaged as in cirrhosis, SGPT is released into the blood and this causes SGPT levels to increase.
Thus, the correct answer is option (B), 'SGPT'.

Multiple choice biology human health and disease drug, tobacco and alcohol consumption addiction and dependence community health and hygiene

Which cell organelle plays an important role in detroxification of many poisons and drugs in a cell ?

  1. mitochondria

  2. vacuoles

  3. Iysosomes

  4. smooth endoplasmic reticulum
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The endoplasmic reticulum functions as a cytoplasmic framework providing a surface for some of the biochemical activities of the for some of the biochemical activities of the cell. In the liver cells of vertegrates, smooth endoplasmic reticulum (SEF) plsys a crucial role in detoxifying many poisons and drugs.

Multiple choice biology human health and disease drug, tobacco and alcohol consumption addiction and dependence community health and hygiene

Drug addict shows symptoms of depressed brain activity, feeling of calmness, relaxation, drowsiness. Possible the addiction is of

  1. Valium

  2. Amphetamine

  3. Morphine/pethidine

  4. Marijuana/hashish
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Valium (diazepam) is a benzodiazepine prescribed for the treatment of anxiety, seizures, muscle spasms, and symptoms of alcohol withdrawal. Valium is available as a generic drug. Common side effects of Valium include:
drowsiness, tired feeling, dizziness, spinning sensation, fatigue, constipation,
ataxia (loss of balance), memory problems, restlessness, irritability, muscle weakness, nausea, drooling, dry mouth, slurred speech, blurred or double vision, skin rash, itching, or loss of interest in sex.
So the correct answer is 'Valium'.
Multiple choice biology human health and disease drug, tobacco and alcohol consumption addiction and dependence community health and hygiene

Antihistamines interact with alcohol and cause marked drowsiness.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Antihistamines interact with alcohol and cause marked drowsiness. It’s best to avoid mixing alcohol and antihistamines, as they both depress the central nervous system, thereby impairing the ability to coordinate physical motor movements and remain awake and conscious. 
So, the correct option is 'True'
Multiple choice biology classification of plants importance and classification of angiosperms plant adaptation adaptation in plants

Monocot root differs from dicot root in having

  1. No vascular bundles

  2. Well developed pith

  3. Radially arranged vascular bundles

  4. Open vascular bundles
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In dicot root, well developed pith is absent. In monocot root, well developed pith is present. In dicot roots, open vascular bundles are present which are radially arranged. 

Therefore, the correct answer is option B.

Multiple choice biology classification of plants importance and classification of angiosperms plant adaptation adaptation in plants

Plants whose seeds have more than one seed leaf (cotyledon) are 

  1. Ferns

  2. Dicots

  3. Monocots

  4. Moss
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
On the basis of the number of cotyledons angiosperms are divided into monocots (having one cotyledon) and dicots (having 2 cotyledons). 
General characteristics of dicot.
  • They are two seeded plants.
  • The leaves of dicotyledons have veins in a network.
  • Dicotyledon seeds also contain an embryonic plant.
  • The flowers of dicotyledons have petals and other parts of the flower are arranged in four or five or six. It may contain flowers with four petals, flowers with five petals, flowers have six petals and the stamens also follow this pattern.
  • The seed is protected by a seed coat. For example, trees, sunflower, rose, etc.