In wild-type Arabidopsis thaliana, the four types of floral organs (sepal, petal, stamen, carpel) are arranged in concentric whorls from outside to inside. With reference to the ABC model of floral organ patterning, match the homeotic mutants in Group 1 with their respective arrangements of organs in the four whorls given in Group 2.
| Group 1 |
Group 2 |
| (P) A class mutants |
(i) sepal, sepal, carpel, carpel |
| (Q) B class mutants |
(ii) sepal, petal, petal, sepal |
| (R) C class mutants |
(iii) carpel, stamen, stamen, carpel |
| (iv) sepal, sepal, petal, petal |
|
(A) P−iv, Q−ii, R−i
(B) P−iii, Q−i, R−ii
(C) P−ii, Q−i, R−iii
(D) P−iii, Q−i, R−iv
1 Answer
In Calvin-Benson cycle, to produce 1 molecule of glyceraldehyde 3-phosphate by fixing 3 molecules of carbon dioxide, 9 molecules of ATP and ________ molecules (in integer) of NADPH are typically utilized.
1 Answer
Which of the following statements is/are CORRECT with reference to rubber production from plants?
(A) Para rubber is produced from Hevea brasiliensis
(B) India rubber is produced from Ficus elastica
(C) Panama rubber is produced from Manihot glaziovii
(D) Ceara rubber is produced from Castilla elastica
1 Answer
Which of the following selectable marker genes is/are used for herbicide tolerance during genetic transformation of plants?
(A) hpt
(B) bar
(C) nptII
(D) pmi
1 Answer
Which of the following plant diseases is/are caused by nematode?
(A) Cereal cyst of barley
(B) Ergot of rye
(C) Wart of potato
(D) Ear-cockle of wheat
1 Answer
Which of the following plant natural products is/are cyanogenic glycoside(s)?
(A) Linustatin
(B) Limonene
(C) Luteolin
(D) Linamarin
1 Answer
Which of the following tissue types is/are established during embryogenesis in wild-type Arabidopsis thaliana?
(A) Shoot apical meristem
(B) Rosette leaf primordium
(C) Procambium
(D) Lateral root primordium
1 Answer
The collateral and open type of vascular bundle with endarch xylem strand is usually found in
(A) monocot stem
(B) dicot stem
(C) monocot root
(D) dicot root
1 Answer
Which one of the following plant families does apple (Malus domestica) belong to?
(A) Rosaceae
(B) Rutaceae
(C) Rubiaceae
(D) Ranunculaceae
1 Answer
