Tag: biology

Questions Related to biology

From which part of Atropa belladona the drug 'belladona' is obtained __________.

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

  1. Leaves

  2. Roots

  3. Sterns

  4. All the parts of the plant

Show answer
Correct Option: B
Explanation:

 The alkaloid belladonna is obtained from roots and  is used as a sedative stimulant and antispasmodic.

So, the correct answer is 'Roots'

Family of Atropa belladona is ___________.

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

  1. Malvaceae

  2. Solanaceae

  3. Bracicaceae

  4. Liliaceae

Show answer
Correct Option: B
Explanation:

(b) Atropa belladonna is obtained from root. They contain atropine alkaloid, which is widely used for dilating the pupil of eye during testing It also a analgesic.

Reserpine is used in ___________.

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

  1. Malaria

  2. High blood pressure

  3. Asthma

  4. Spices

Show answer
Correct Option: B
Explanation:

 The alkaloid reserpine is used in several patent drugs, as it has a depressant action on central nervous system and produces sedation and fall in blood pressure.

So, the correct answer is 'High blood pressure'

'Stramonium' drug is obtained from the plant species of __________.

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

  1. Ocimum

  2. Rauwolfia

  3. Datura

  4. Asphodelus

Show answer
Correct Option: C
Explanation:

 Stramonium drug is obtained from Datura. The drug stramonium, was known as narcotic as early as 37 A.D. Even today this is one of the favourite sources of "Knockout drops" in the tropical regions.

So, the correct answer is 'Datura'

Quinine is chiefly used in ______________.

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

  1. Cosmetic industry

  2. Rubber industry

  3. Medicinal field

  4. Protection of silk

Show answer
Correct Option: C
Explanation:

 Quinine is one of the most important drug. Its used in the treatment of malaria It is also used in the treatment of fever.

So, the correct answer is 'Medicinal field'

Medicinally most important part of Rauwolfia serpentina is

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

  1. Root

  2. Rhizome

  3. Aerial stem

  4. All of these

Show answer
Correct Option: A
Explanation:

Reserpine is an alkaloid obtained from roots of Rauwolfia serpentina, (sarpgandha) family Apocynaceae. Rauwolfia serpentina contains a number of bioactive chemicals, including reserpine, ajmaline, deserpidine, rescinnamine, serpentinine. It was used for millennia to treat insect stings and the bites of venomous reptiles. Reserpine was used as an attempt to treat high blood pressure and mental disorders, including schizophrenia.

Thus, the correct answer is option A.

From which part of Ephedra plant, the drug 'ephedrine' is obtained ______________.

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

  1. Root

  2. Stem

  3. Leaves

  4. Flower

Show answer
Correct Option: B
Explanation:

The stems are the source of drug ephedrine and also contains other alkaloid pseudo -ephedrine.

So, the correct answer is 'Stem'

Which of the following is medicinal plant ________.

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

  1. Dalbergia

  2. Linum

  3. Aconitum

  4. Tectona

Show answer
Correct Option: C
Explanation:

Aconitum leterophyllum is a medicinal plant The roots of this plant are used as astringent, tonic, diarrhoea, dyspepsia and cough.

So, the correct answer is 'Aconitum'

Aconite is obtained from ______________.

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

  1. Tuberous roots

  2. Stern

  3. Leaves

  4. Seeds

Show answer
Correct Option: A
Explanation:

The drug commonly known as aconite is obtained from the tuberous roots. It contains the alkaloids, atisine, dihydroatisine, heteratisine and hetisine.

So, the correct answer is 'Tuberous roots'

Which is not a source of drug _____________.

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

  1. Aconitum napellus

  2. Dalbergia sissoo

  3. Papaver somniferum

  4. Cannabis sativus

Show answer
Correct Option: B
Explanation:

Dalbergia sissoo and D. latifolia are among the most important Indian timber trees.

So, the correct answer is 'Dalbergia sissoo'