Tag: botany

Questions Related to botany

Botanical name of Venus Fly Trap is?

  1. Aldrovanda

  2. Dionaea

  3. Utricularia

  4. Nepenthes


Correct Option: B
Explanation:

A. Aldrovanda is the botanical name of the water wheel plant.

B. Dionaea is the botanical name of venus fly trap. In this plant, the leaves are modified into flaps which shut on irritated by the insect.
C. Utricularia is the botanical name of bladderwort.
D. Nepenthes is the botanical name for pitcher plant.
So, the correct answer is 'Dionaea'.

Biggest flower belongs to a plant which is?

  1. Partial stem parasite

  2. Partial root parasite

  3. Total stem parasite

  4. Total root parasite


Correct Option: D
Explanation:

The biggest flower belongs to a plant called rafflesia arnoldii, which is a total root parasite because it cannot prepare its own food, thus takes food along with water and minerals from the roots of the host plant.

The correct option is 'Total root parasite'.

Venus Flytrap is commonly seen in

  1. Greece$/$ Europe

  2. Arabia

  3. America

  4. Asia


Correct Option: C
Explanation:

Venus flytrap belongs to America as it is native to the areas near the east coast of America, South & North Carolina.

So, the correct answer is 'America'.

Relation between bacteria and legume having nodulated roots is that of

  1. Host-parasitism

  2. Commensalism

  3. Symbiosis

  4. Epiphytism


Correct Option: C
Explanation:

The relation between the bacteria and legume having nodulated root is of symbiosis because it is a mutually beneficial relationship where the bacteria acquire food and accommodation, while the plant acquires nitrogen to make proteins.

So, the correct option is 'Symbiosis'.

Plants that grow over the branches of trees without contact with soil are

  1. Epiphytes

  2. Symbionts

  3. Saprophytes

  4. Parasites


Correct Option: A
Explanation:

Epiphytes are symbiotic plants that grow on the surface of a plant and derives its moisture and nutrients from the air, rain or from debris accumulating around it. They usually grow over the branches of trees so that they can attain sunlight as they are short.

So, the correct option is 'Epiphytes'.

A plant living symbiotically inside another plant is called

  1. Saprophyte

  2. Endophyte

  3. Semiparasite

  4. Parasite


Correct Option: B
Explanation:

A plant living symbiotically inside another plant is called endophyte because endophytes are plants that live within a plant for at least part of its life cycle without causing apparent disease.

So, the correct answer is 'Endophyte'.

Parasitic plants obtain nourishment through

  1. Roots

  2. Haustoria

  3. Thorns

  4. Pores


Correct Option: B
Explanation:
Haustoria is a slender projection from the root of a parasitic plant enabling the parasite to penetrate the tissues of its host and absorb nutrients from it.
So, the correct option is 'Haustoria'.

Which of the following conditions are developed due to monoculture.

  1. Multiplication of parasites

  2. More food production

  3. Lessure of toxic chemicals

  4. Ecosystem balance is undisturbed


Correct Option: A
Explanation:
Monoculture is a practice in which the same crop is grown at the same soil for a long period of time. Reusing the exact same soil, instead of rotating three or four different crops following a pre-determined cycle, can lead to plant pathogens and diseases.
So the correct option is ' Multiplication of parasites'.

Cucurbritaceae family shows:

  1. Collateral, Conjoint and open vascular bundle

  2. Bi-Collateral, Conjoint and closed vascular bundle

  3. Collateral, Conjoint and closed vascular bundle

  4. Bi-Collateral, Conjoint and open vascular bundle


Correct Option: A

The number of division in the plant kingdom with the plants producing embryo are

  1. $1$

  2. $2$

  3. $4$

  4. `$3$


Correct Option: A