51.

Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature? 

• Liver fluke, Sea anemone, Sea cucumber - Bilateral symmetry

• Centipede, prawn, sea urchin - Jointed appendages

• Scorpion, spider, cockroach - Ventral solid central nervous system

• Scorpion, spider, cockroach - Ventral solid central nervous system

The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in 

• pomegranate

• orange

• guava

• guava

Opening of floral buds into flowers, is a type of

• autonomic movement of locomotion

• autonomic movement of variation

• paratonic movement of growth

• paratonic movement of growth

In which of the following fruits is the edible part the aril?

• Custard apple

• Pomegranate

• Orange

• Orange

What type of placentation is seen in sweet pea?

• Basal

• Axile

• Free central

• Free central

Pentamerous, actinomorphic flowers, bicarpillary ovary with oblique septa, and fruit a capsule or berry, are characteristic features of

• Asteraceae

• Brassicaceae

• Solanaceae

• Solanaceae

Select the mismatch

• Pinus – Dioecious

• Cycas – Dioecious

• Salvinia – Heterosporous

• Salvinia – Heterosporous

Life cycle of Ectocarpus and Fucus respectively are

• Haplontic, Diplontic

• Diplontic, Haplodiplontic

• Haplodiplontic, Diplontic

• Haplodiplontic, Diplontic

In Bougainvillea thorns are the modifications of

• Stipules

• Adventitious root

• Stem

• Stem

The morphological nature of the edible part of coconut is

• Perisperm

• Cotyledon

• Endosperm

• Endosperm