Tag: biology

Questions Related to biology

Opium of commerce made from poppy, is

biology plant kingdom and the environment around us some important plants uses of plants as medicine medicinal plants

  1. Latex

  2. Resin

  3. Tannin

  4. Gum

Show answer
Correct Option: A

Which of the plant yield the drug belladonna

biology plant kingdom and the environment around us some important plants uses of plants as medicine medicinal plants

  1. Atropa belladona

  2. Papaver somniferum

  3. Acacia arabica

  4. Phoenix sylvestris

Show answer
Correct Option: A

Quinine are obtained from the members of.

biology plant kingdom and the environment around us some important plants uses of plants as medicine medicinal plants

  1. Leguminosae

  2. Asteraceae

  3. Rubiaceae

  4. Poaceae

Show answer
Correct Option: C
Explanation:
Some members of Rubiaceae family, like the Cinchona species produce Quinine. It is used in the preparation of medicines.
So, the correct answer is 'Rubiaceae'

Which of these is not a correct match?

biology plant kingdom and the environment around us some important plants uses of plants as medicine medicinal plants

  1. Resin- Pine stem

  2. Gum- Babul tree

  3. Caffeine- Cinchona

  4. Morphine- Poppy

Show answer
Correct Option: C
Explanation:
A. Pine tree secretes resins due to cuts in the tree trunk or from broken limbs which help to seal the damaged part.
B. Babool tree which is also known as gum arabic tree is known for its gum which is prepared from the hardened sap of the tree.
C. Cinchona bark contains quinine.
D. Morphine is a drug extracted from the poppy seeds.
So, the correct answer is 'Caffeine -Cinchona'.

There are genetic variation shown by medicinal plant Rauwolfia vomitoria. This plant is grown in which one of the following regions?

biology plant kingdom and the environment around us some important plants uses of plants as medicine medicinal plants

  1. Deccan peninsula

  2. Gangetic plains

  3. Himalayan ranges

  4. North east

Show answer
Correct Option: C
Explanation:

  • Rauvolfia vomitoria is a medicinal shrub which is also known as the devil's poison pepper and are found in the Himalayan ranges.

  • It is mainly used to treat convulsions, fever, weakness, insomnia, mental disorders, arthritis, cancer, diabetes and for issues related to stomach, intestines and liver.

  • The extracts from the plant are also applied to the skin for snake bites, skin infections and swelling.

  • These plants show genetic variation as it is very important for the survival of the species adaptability and to cope with drastic environmental changes and to develop disease resistance.

  • So, the correct answer is 'Himalayan ranges'.

Flowers of Safflower yield

biology plant kingdom and the environment around us some important plants uses of plants as medicine medicinal plants

  1. Bluish dye

  2. Reddish dye

  3. Yellowish dye

  4. Both B and C

Show answer
Correct Option: B
Explanation:

The flowers of safflower (Carthamus tinctorius) are occasionally used in cooking as a cheaper substitute for saffron. It is sometimes referred to as bastard saffron. The dried safflower petals are also used as a herbal tea variety. Dried safflowers are also used as a natural dye source for orange-red pigment carthamin (natural red pigment). It is also known as Carthamus red or natural red. So, the correct answer is 'Reddish dye'.

Drug santonin (anthelmintic) comes from

biology plant kingdom and the environment around us some important plants uses of plants as medicine medicinal plants

  1. Centipeda

  2. Artemesia

  3. Tagetes

  4. Chrysanthemum

Show answer
Correct Option: B
Explanation:

Santonin was a drug which was widely used in the past as an antihelmintic, a drug which expels parasitic worms by paralyzing them and allowing them to be passed outside the body. Santonin was developed by German chemists by extracting the chemical from Artemisia cina. Previously Artemisia was used as an antihelmintic remedy. So, the correct answer is 'Artemesia'.

Belladona is obtained from ___________.

biology plant kingdom and the environment around us some important plants uses of plants as medicine medicinal plants

  1. Atropa

  2. Hyoscyamus

  3. Calendula

  4. Aconitum

Show answer
Correct Option: A

Which one is called a century plant?

biology plant kingdom and the environment around us some important plants uses of plants as medicine medicinal plants

  1. Dracaena

  2. Xanthorrhoea

  3. Agave

  4. Aloe

Show answer
Correct Option: C
Explanation:

Agave Americana, commonly known as sentry plant, century plant or American Aloe is the species of flowering plants belonging to family Asparagaceae. It is native to Mexico, the United States in New Mexico, Arizona and Texas. Agave americana is cultivated as an ornamental plant for drought tolerant and desert style cactus gardens. So, the correct answer is 'Agave'.

Meadow saffron is

biology plant kingdom and the environment around us some important plants uses of plants as medicine medicinal plants

  1. Gloriosa superba

  2. Smilax zeylanica

  3. Colchicum luteum

  4. Urginea maritima

Show answer
Correct Option: C
Explanation:

Colchicum luteum, commonly known as meadow saffron, autumn crocus is a species of flowering plant belonging to family Colchicaceae. The species is cultivated as an ornamental in temperate areas, in spite of its toxicity. It is a perennial herb native to Great Britain and Ireland. It contains colchicine which is used as a drug and it is also used in plant breeding. So, the correct answer is 'Colchicum luteum'.