TLS Online TPP Program

#Question id: 38828


Q. In the indicator plant method, virus detection is achieved by:

#Plant Biotechnology
  1. Treating plants with antibodies
  2. Hybridizing viral nucleic acids with probes
  3. Inoculating sap onto highly susceptible plants
  4. Exposing plants to high temperature
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TLS Online TPP Program

#Question id: 40242

#Botany

Match List-I with List-II

LIST-I (Botanical Name)LIST-II (Economically Useful Part)
A. Crocus sativus (Saffron)I. Dried rhizome
B. Syzygium aromaticum (Clove)II. Dried stigmas and tops of styles
C. Curcuma longa (Turmeric)III. Dried oleo-gum-resin
D. Ferula assa-foetida (Hing)IV. Dried unopened flower buds
Choose the correct answer from the options given below:

TLS Online TPP Program

#Question id: 40243

#Botany

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Cotton fibers are considered surface fibers rather than bast fibers.
Reason (R): Cotton fibers originate as epidermal elongations of the seed coat, whereas bast fibers are derived from the phloem tissues of the stem.
In the light of the above statements, choose the most appropriate answer from the options given below:

TLS Online TPP Program

#Question id: 40244

#Botany

Which of the following statements are correct regarding the Para Rubber tree (Hevea brasiliensis)?

1.It belongs to the family Euphorbiaceae.

2.Latex is obtained primarily from the xylem vessels of the tree.

3.The process of harvesting latex is known as 'tapping'.

4.Vulcanization involves heating rubber with sulfur to improve its elasticity and strength.

Choose the correct answer from the options given below:


TLS Online TPP Program

#Question id: 40249

#Botany

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Jute fibers are technically classified as bast fibers.
Reason (R): They are obtained from the secondary xylem (wood) of the plant stem.
In the light of the above statements, choose the correct answer from the options given below:

TLS Online TPP Program

#Question id: 40253

#Botany

Which of the following statements are correct regarding the oil-yielding plant Cocos nucifera (Coconut)?
1. It belongs to the family Arecaceae.
2. The fruit is botanically a berry.
3. Coir is obtained from the mesocarp of the fruit.
4. The edible coconut water is the free-nuclear endosperm.
Choose the correct answer from the options given below:

TLS Online TPP Program

#Question id: 40264

#Botany

Match the Plant Species in LIST-I with their corresponding Family in LIST-II

LIST-I (Plant Species)LIST-II (Family)
A. Curcuma longa (Turmeric)I. Apiaceae (Umbelliferae)
B. Ferula assa-foetida (Hing)II. Iridaceae
C. Crocus sativus (Saffron)III. Zingiberaceae
D. Papaver somniferum (Opium Poppy)IV. Papaveraceae
Choose the correct answer from the options given below: