Leaves become modified into spines in
1. Pea
2. Onion
3. Silk Cotton
4. Opuntia

Which of the following is not a stem modification?
1. Flattened structures of Opuntia
2. Pitcher of Nepenthes
3. Thorns of citrus
4. Tendrils of cucumber

Catkin inflorescence is found in
1. Wheat
2. Oat
3. Mulberry
4. Fig

A racemose type of inflorescence with its main axis almost flat is called
1. Corymb
2. Umbel
3. Spike
4. Capitulum

Spathe is present in the flowers of
1. Banana
2. Rice
3. Marigold
4. Sunflower

Cymose inflorescence is present in:

Bicarpellary gynoecium with oblique ovary occurs in
1.Banana
2. Brinjal
3. Pisum
4. Mustard

An ovule bent to come at right angles to funicle is
1. Anatropous
2. Orthotropous
3. Campylotropous
4. Hemitropous

Anthesis is
1. Opening of floral bud
2. Development of anthers
3. Maturation of anthers
4. Reception of pollen by stigma