Which of the following are the conditions necessary for the seeds to grow?
Manures, oxygen and fertilizers
Oxygen, heat and fertilizers
Oxygen, water and carbondioxide
Warmth, moisture and oxygen
Flowers which depend on wind for pollination will have:
Large petals
Showy petals
Nectar
No petals
Insects get attracted to flowers due to:
Colour and Scent
Pollegrains and nectar
Colour and size
Egg and pollen grains
Which of the following processes occurs first during germination of seeds?
Intake of water
Production of enzymes
Absorption of sunlight
Storage of nutrients
Which of the following are example for plants propagated by stem cuttings?
Bryophyllum and Sugarcane
Bryophyllum and Asparagus
Sugarcane and Asparagus
Sugarcane and Bougainvillea
The swollen stems in certain plants that store food and are separated from the parent plant to form new plants are called:
Bulbs
Corms
Rhizomes
Tubers
Radicle and plumule are the precursors of which plant parts respectively?
Root and leaves
Leaves and stem
Stem and branches
Root and shoot
In tissue culture, which of the following is added to the culture medium to induce shoot development?
Oxygen
Glucose
Enzymes
Hormones
Fusion of male and female gametes is called:
Reproduction
Germination
Fertilization
Pollination