Multiple Choice Questions

Advertisement

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


D.

paratonic movement of growth

Opening of floral buds into flower is a type of autonomic movement of growth (Nastic movement). This is non-directional movement in which the response is determined by the structure of the responsive organ and not to the direction of stimulus. Greater growth on one side causes the organ to bend to the opposite side. 

563 Views

Advertisement

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

310 Views

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

  • pomegranate

  • orange

  • guava

  • guava

423 Views

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

  • Custard apple

  • Pomegranate

  • Orange

  • Orange

645 Views

What type of placentation is seen in sweet pea?

  • Basal

  • Axile

  • Free central

  • Free central

1417 Views

Advertisement

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

  • Asteraceae

  • Brassicaceae

  • Solanaceae

  • Solanaceae

1105 Views

Select the mismatch

  • Pinus – Dioecious

  • Cycas – Dioecious

  • Salvinia – Heterosporous

  • Salvinia – Heterosporous

1356 Views

Life cycle of Ectocarpus and Fucus respectively are

  • Haplontic, Diplontic

  • Diplontic, Haplodiplontic

  • Haplodiplontic, Diplontic

  • Haplodiplontic, Diplontic

1475 Views

In Bougainvillea thorns are the modifications of

  • Stipules

  • Adventitious root

  • Stem

  • Stem

1577 Views

Advertisement
<

The morphological nature of the edible part of coconut is

  • Perisperm

  • Cotyledon

  • Endosperm

  • Endosperm

1120 Views

Advertisement