A seed contains:
An embryo and a cotyledon
An embryo and two cotyledons
One or two embryo and a cotyledon
An embryo and one or two cotyledons
Which of the following statements is true about sexual reproduction in plants?
Young one will be exactly same as parent
Vegetative parts contribute in sexual reproduction
Gametes and zygote are formed
Single parent participation in reproduction
Multiple fission is seen in which of the following organisms?
Yeast
Bacteria
Malarial parasite
Spirogyra
What are pollen grains? Where are they formed?
They are male gametes formed in the stigma.
They are male gametes formed in the anther
They are female gametes formed in the ovary
They are spherical structures with male gametes inside formed in the anther
Plant body regenerates as in rose plant and produce new plants. Which type of reproduction is this?
Natural vegetative method
Artificial vegetative method
Sexual method
Fragmentation method
Which of the following are the examples of wind pollinated flowers?
Wheat, peas, beans
Peas, beans, gram
Rose, hibiscus, jasmine
Wheat, maize, rice
What is the function of cotyledons?
1.Grow into a baby plant
2. Store food for the growing plant
3. Covers the seed and protects it
4. Covers the embryo and protects it
1 and 2
2 and 3
2 and 4
1 and 4
Name the cell produced as the result of fusion of male and female gametes in the plants?
Embryo
Seed
Zygote
Baby plant
The agents of pollination can be:
Wind, water or microorganisms
Microorganisms, animals or birds
Animals, birds or human beings
Wind, water or animals(including insects)
An organism producing both male and female gametes is called:
Bisexual
Unisexual
Heterosexual
Homosexual