Tag: biology

Questions Related to biology

Consider the following plants.
a. Cannabis
b. Leucaena leucocephala
c. Morux albci
d. Cocos nucifera
Among these the one(s) which can be called multipurpose plant(s) would include.

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

  1. $4$ alone

  2. $1, 2$ and $3$

  3. $1, 2$ and $4$

  4. $1, 2, 3$ and $4$

Show answer
Correct Option: A

Canabis sativa is the source of

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

  1. Opium

  2. LSD

  3. Marijuana

  4. Cocaine

Show answer
Correct Option: C
Explanation:

Cannabis sativa is a species of plant from the family cannabaceae. It is a psychoactive drug that can be used for medicinal or recreational purpose. So, the correct option is 'marijuana'.

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

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

  1. CoA

  2. SGPT

  3. LDH

  4. CPK

Show answer
Correct Option: B
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'.

The organ which is most affected by alcohol, is

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

  1. Liver

  2. Cerebrum

  3. Cerebellum

  4. Heart

Show answer
Correct Option: A
Explanation:

The liver is the organ that is the most affected due to alcohol as the alcohol is processed in the liver and affects it adversely.

So the correct option is A.

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

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

  1. mitochondria

  2. vacuoles

  3. Iysosomes

  4. smooth endoplasmic reticulum

Show answer
Correct Option: D
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.

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

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

  1. Valium

  2. Amphetamine

  3. Morphine/pethidine

  4. Marijuana/hashish

Show answer
Correct Option: A
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'.

Antihistamines interact with alcohol and cause marked drowsiness.

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

  1. True

  2. False

Show answer
Correct Option: A
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'

Which of the following options are CORRECT?

$1$. Heroin Stimulant
$2$. Marijuana Cardiovascular
$3$. Cocaine Hallucinations
$4$. Morphine Sedative


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

  1. $1, 2$ and $3$

  2. $1, 3$ and $4$

  3. $2, 3$ and $4$

  4. $1, 2$ and $4$

Show answer
Correct Option: C

Monocot root differs from dicot root in having

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

  1. No vascular bundles

  2. Well developed pith

  3. Radially arranged vascular bundles

  4. Open vascular bundles

Show answer
Correct Option: B
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.

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

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

  1. Ferns

  2. Dicots

  3. Monocots

  4. Moss

Show answer
Correct Option: B
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.