Morphology of Flowering Plants

Seed coat is not thin, membranous in

1. groundnut
2. gram
3. maize
4. coconut.

Among flowers of Calotropis, tulip, Sesbania, Asparagus, Colchicum, sweet pea, Petunia, Indigofera, mustard, soybean, tobacco and groundnut, how many plants have corolla with valvate aestivation?

1. Six
2. Seven
3. Eight
4. Five

Inflorescence is racemose in

1. brinjal
2. tulip
3. aloe
4. soybean.

In a cymose inflorescence the main axis

1. has unlimited growth
2. bears a solitary flower
3. has unlimited growth but lateral branches end in flowers
4. terminates in a flower.

How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (oleander) have opposite phyllotaxy?

1. Three
2. Four
3. Five
4. Two

Which one of the following organisms is correctly matched with its three characteristics?

1. Pea : C3 pathway, endospermic seed, vexillary aestivation
2. Tomato : twisted aestivation, axile placentation, berry
3. Onion : bulb, imbricate aestivation, axile placentation
4. Maize : C3 pathway, closed vascular bundles, scutellum

How many plants in the list given below have marginal placentation? Mustard, Gram, Tulip, Asparagus, Arhar, Sun hemp, Chilli, Colchicum, Onion, Moong, Pea, Tobacco, Lupin

1. Four
2. Five
3. Six
4. Three

Placentation in tomato and lemon is

1. parietal
2. free central
3. marginal
4. axile

Cymose inflorescence is present in

1. Solanum
2. Sesbania
3. Trifolium
4. Brassica

Phyllode is present in

1. Asparagus
2. Euphorbia
3. Australian Acacia
4. Opuntia