Shoot and root apex - class-XI
Description: shoot and root apex | |
Number of Questions: 39 | |
Created by: Varsha Mane | |
Tags: biology anatomy of flowering plants botany tissue and tissue system plant tissues - internal morphology and anatomy |
Match column I with column II and select the correct option from the given codes.
Column I | Column II | ||
---|---|---|---|
A. | Vegetative buds | i. | Buds develop in axils of leaves |
B. | Floral buds | ii. | Buds produce leafy shoots |
C. | Axillary buds | iii. | Reproductive buds that produce flowers |
D. | Accessory | iv | Additional buds borne at leaf bases |
Flower is always solitary when:
Aecessory buds are-
The cells of root apex and shoot apex?
Bud associated with the underground stem of potatoes is?
If there is more than one tunica layer in a stern apex.
The organization of the shoot apex into tunica and corpus is determined largely on the basis of _______________.
Heaping of earth around base of stem in Potato is meant for.
Assertion (A): Lateral buds close to the shoot apex remain dormant while those some distance below below the apical meristem develop into shoots.
Reason (R): Apical shoot meristems and young leaves are the centres of lAA synthests.
The shoot branching depends upon the development of axillary buds, but many of the buds in axillary position never grow out due to the _____________________.
Meristematic tissue which is found on apical part of root is called ______________.
What is the eye of potato ?
A simple leaf can be differentiated from the pinnae of a compound leaf on the basis of presence or absence of
Eye of Potato is
Histogen theory is more applicable for
Root cap of the embryo develops from:
Which of the following correctly includes homologous organs?
Histogen is a
Naphthalene acetic acid is applied on a apple tree. The tree will produce?
The persisting embryonic tissue in the plant body is called?
The term quiescent centre or zone was proposed by
Cells of quiescent centre are characterized by
Histogen tissues are classified on the basis of _________.
Quiescent centre is the zone of
Reproductive shoot apex is
Histogen theory was proposed by
Tunica corpus theory is connected with
According to histogen theory, epidermis is formed by
Concept envisaging three zones of cells in root and stem apices is
In the root apex, that meristem from which the root cap developsindependently of all other initials of the apical meristem is known as _______________.
Histogen theory was proposed by
According to the concept of waiting meristem, the active region of shoot apex is?
Match List-I(Region) with List-II(Contribution to) and select the correct answer using the codes given the lists.
List-I(Region) | List-II(Contribution) |
---|---|
a. Apical cells of $2$-celled embryo | $1$. Emergence of cotyledons |
b. Basal cells of $2$-celled embryo | $2$. Differentiation of root and shoot |
c. Torpedo stage embryo | $3$. Root apex and suspensor |
d. Globular embryo | $4$. Bulk of the embryo proper |
Consider the following statements.
a. In the roots with endomycorrhizal association, the fungal hyphae penetrate the root cortex and pass through the casparian strip to enter vascular tissue.
b. The globin part of leghemoglobin in nitrogen-fixing root nodules is encoded by the bacterium whereas heme group is synthesized by the host plant.
Which of the statements given is/are correct?
Choose the correct answers from the alternatives given.
Which of the following functions is not shared by both the root system and the shoot system of a plant?
Which one of the following histogens is present in the roots but Not in the shoots?
Choose the correct answers from the alternatives given :
Plant roots function to
Choose the correct answers from the alternatives given.
When a leaf trace extends from a vascular bundle in a dicot stem, what would be the arrangement of vascular tissues in the veins of the leaf