Tag: habit of plants

Questions Related to habit of plants

From the following, which plant has a disk-like stem?

botany stem - external morphology habit of plants plant classifications type of plants

  1. Pineapple

  2. Mango tree

  3. Banyan tree

  4. Onion

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Correct Option: D
Explanation:

A disc-like stem is found in onion. This type of stem is called the bulb. It bears fleshy scale like leaves and at the terminal end it shows the presence of terminal bud.

Hence, the correct answer is 'Onion'

One internode long runner stem of aquatic plants is called

botany stem - external morphology habit of plants plant classifications type of plants

  1. Stolon

  2. Trailer

  3. Offset

  4. None of the above

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Correct Option: C

Succulent stem occurs in

botany stem - external morphology habit of plants plant classifications type of plants

  1. Pisum

  2. Casuarina

  3. Euphorbia

  4. Oxalis

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Correct Option: C

Choose the correct answers from the alternatives given.
Annual rings are the number of

botany stem - external morphology habit of plants plant classifications type of plants

  1. Rings of vascular bundles in a monocot stem

  2. Layers of secondary xylem in a stem

  3. Internodes in a stem

  4. Both (b) and (c)

Show answer
Correct Option: B
Explanation:

Each year, the tree forms new cells, arranged in concentric circles called annual rings or annual growth rings. These annual rings show the amount of wood produced during one growing season. As the stem grows, complete ring called the cambial ring is formed. Cambial ring leads to the formation of secondary xylem and secondary phloem. 

Hence, the correct answer is 'Layers of secondary xylem in a stem'.

Choose the correct answers from the alternatives given.
During the secondary growth in the dicotyledonous stems the cork cambium gives rise to

botany stem - external morphology habit of plants plant classifications type of plants

  1. Secondary xylem and secondary phloem

  2. Secondary cortex and cork

  3. Pith and medullary rays

  4. Multicellular hairs

Show answer
Correct Option: B
Explanation:

Cork cambium is a tissue found in many vascular plants as part of the epidermis. The cork cambium is a lateral meristem and is responsible for secondary growth that replaces the epidermis in roots and stems. It gives rise to cork outside and secondary cortex inside. 

Hence, the correct answer is 'Secondary cortex and cork'.

The part of plant used for culturing is called ___________.

botany identifying the plants transport of water across plants habit of plants plant classifications

  1. Scion

  2. Explant

  3. Stock

  4. Callus

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Correct Option: B
Explanation:

Explanation: In biology, explant culture is a technique used for the isolation of cells from a piece or pieces of tissue. Tissue harvested in this manner is called an explant. It can be a portion of the shoot, leaves, or some cells from a plant, or can be any part of the tissue from an animal, or from umblical cord tissue.

The plant of Triticum aestivum is

botany identifying the plants transport of water across plants habit of plants plant classifications

  1. Haploid

  2. Diploid

  3. Tetraploid

  4. Hexaploid.

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Correct Option: D

Match List I (Plant) with List II (Family) and select the correct answer using the code given below the Lists:

List I List II
A. Coffee 1. Orchidaceae
B. Chocolate 2. Papayaraceae
C. Opium 3. Rubiaceae
D. Vanilla 4. Sterculiaceae
botany identifying the plants transport of water across plants habit of plants plant classifications

  1. A-1, B-4, C-2, D-3

  2. A-1, B-2, C-4, D-3

  3. A-3, B-2, C-4, D-1

  4. A-3, B-4, C-2, D-1

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Correct Option: A

Match List-I(Plant) with List-II(Family) and select the correct answer using the codes given the lists.

List-I(Plant) List-II(Family)
a. Cardomon $1$. Iridaceae
b. Fenugreek $2$. Labiatae
c. Peppermint $3$. Papilionaceae
d. Saffron $4$. Zingilbraceae
botany identifying the plants transport of water across plants habit of plants plant classifications

  1. A-$1$, B-$2$, C-$3$, D-$4$

  2. A-$1$, B-$3$, C-$2$, D-$4$

  3. A-$4$, B-$2$, C-$3$, D-$1$

  4. A-$4$, B-$3$, C-$2$, D-$1$

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Correct Option: A

Match List I(Parasites) with List II(Type) and select the correct answer using the codes given the lists.

List-I(Parasites) List-II(Type)
a. Cascuta sp. $1$. Total root parasite
b. Loranthus sp. $2$. Partial root parasite
c. Orabanche sp. $3$. Total stem parasite
d. Santalum sp. $4$. Partial stem parasite
botany identifying the plants transport of water across plants habit of plants plant classifications

  1. A-$2$, B-$4$, C-$1$, D-$3$

  2. A-$2$, B-$1$, C-$4$, D-$3$

  3. A-$3$, B-$4$, C-$1$, D-$2$

  4. A-$3$, B-$1$, C-$4$, D-$2$

Show answer
Correct Option: A