The correct sequence of the events that take place during meiotic division (I) Crossing-over (II) Appearance of recombination nodules (III) …

The chromosomal number of a megaspore of plant ‘A’ and an endosperm cell of plant ‘B’ together equals to the …

(a) Golgi apparatus (b) Vacuole (c) Peroxysome (d) ER

Identify the plants where both have monadelphous androecium but one with axile placentation and the other with marginal placentation respectively …

IN Bentham and Hooker’s system of classification, the classes- Dicotyledonae and Mnocotyledonae have the series in the ratio of (a) …

Identify the correct pair of statements (I) The ovule in Loranthus is covered by a single integument (II) Cleistogamous glowers …

There are 15 flowers in a plant of Pea. In each microsporangium of every stamen of all the flowers, there …

Identify the correct pair of statements (I) Sporophyte stage is the dominant phase in the life cycle of castor (II) …

(I) Amorphophallus, Lilium (II) Colocasia, Colchicum (III) Curcuma, Gloriosa (IV) Potato, Banana (a) (I), (II) (b) (I), (IV) (c) (II), …

(a) Centripetal arrangement of flowers (b) Axile placentation (c) Alternate phyllotaxy (d) Protandry

(a) Annona, Mustard (b) Citrus, Guava (c) Rose, Michelia (d) Papaver, Lotus

Identify the correct pair of statements (I) The sex organs in Selaginella  are multicellular, jacketed and stalked (II) The sporophyte …

Study the following lists List-I                                                                      List-II (A) Crystallization of Urease                                        (I) Nitsch (B) Plant tissue culture                                                  (II) Iwanowski (C) …

(a) Mad cow disease (b) Swollen shoot of cocoa (c) Potato spindle tuber disease (d) Scrapie disease of sheep

A plant having two carpels in a flower with swollen placenta and bicollateral vascular bundles in the stem belongs to …

(I) Methyl guanosine triphosphate at 3’end (II) Adenylate residues at 5’end (III) Methyl guanosine triphosphate at 5’end (IV) Adenylate residues …

(a) Blocking of RNA polymerase access to promoter (b) Binding of repressor proteins to operator regions (c) Activation of repressor …

Study the following lists List-I                                                      List-II (A) Small subunit of ribosomes                  (I) Provides the template (B) Large subunit of ribosomes …

A true breeding snapdragon plant with red flowers is crossed with another true breeding snapdragon plant with white flowers. The …