Vexillary aestivation is characteristic of the family
Options
(a) Fabaceae (b) Asteraceae (c) Solanaceae (d) Brassicaceae
Correct Answer:
Fabaceae
Explanation:
No explanation available. Be the first to write the explanation for this question […]
The gynoecium consists of many free pistils in flowers of
Options
(a) Aloe (b) Tomato (c) Papaver (d) Michelia
Correct Answer:
Michelia
Explanation:
No explanation available. Be the first to write the explanation […]
Which one of the following is resistant to enzyme action?
Options
(a) Cork (b) Wood fibre (c) Pollen exine (d) Leaf cuticle
Correct Answer:
Pollen exine
Explanation:
Pollen exine is resistant to enzyme […]
Water containing cavities in vascular bundles are found in :
Options
(a) Sunflower (b) Maize (c) Cycas (d) Pinus
Correct Answer:
Maize
Explanation:
Stem of maize has water containing cavities in vascular bundles
Which one of the following is wrongly matched about root veg?
Options
(a) Root pressure – Guttation (b) Puccinia – Smut (c) Root – Exarch protoxylem (d) Cassia – Imbricate aestivation
Correct Answer: […]
In unilocular ovary with a single ovule the placentation is :
Options
(a) Marginal (b) Basal (c) Free Central (d) Axile
Correct Answer:
Basal
Explanation:
In basal type of placentation, the ovary is […]
Whorled, simple leaves with reticulate venation are present in
Options
(a) Calotropis (b) Neem (c) China rose (d) Alstonia
Correct Answer:
Alstonia
Explanation:
Whorled phyllotaxy is a feature of Nerium and Alstonia. In […]
The chief water conducting elements of xylem in gymnosperms are:
Options
(a) vessels (b) fibres (c) transfusion tissue (d) tracheids
Correct Answer:
tracheids
Explanation:
Tracheids are chief water conducting elements of xylem in […]
The technical term used for the androecium in a flower of China rose (Hibiscus rosa sinensis) is:
Options
(a) Monadelphous (b) Diadelphous (c) Polyandrous (d) Polyadelphous
Correct Answer:
Monadelphous
Explanation:
Hibiscus belongs to […]
The cork cambium, cork and secondary cortex are collectively called:
Options
(a) phelloderm (b) phellogen (c) periderm (d) phellem
Correct Answer:
periderm
Explanation:
Phellem, phellogen and phelloderm are collectively called periderm
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