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1 : Which of the following organism commonly reproduce by binary fission.

1 : Yeast

2 : Bacteria

3 : Rhizopus

4 : Plants

2 : What happen in some bacteria during harsh condition?

1 : Creation in bud detaches from the cell

2 : Formation of thick walled endospores

3 : Splitting the cell into two identical daughter cells

4 : Fusion of two bacteria cells

3 : Which of these does NOT help a plant for vegetable propagation?

1 : Rhizome

2 : Corm

3 : Runner

4 : Flower

4 : Which part of the flower is responsible for producing pollen?

1 : Stigma

2 : Anther

3 : Ovary

4 : Petal

5 : Which plant propagates through tubers?

1 : Onion

2 : Potato

3 : Ginner

4 : Garlic

6 : Which of the following is an example of vegetable propagation through runners?

1 : Potato

2 : Strawberry

3 : Onion

4 : Ginger

7 : The horizontal aboveground stem, which produced leaves and roots at its nodes:

1 : Stolon

2 : Bulb

3 : Rhizome

4 : Runner

8 : The male gametophyte in flowering plants is known as:

1 : Pollen grain

2 : Embryo sac

3 : Endosperm uncles

4 : Sperm

9 : In the life cycle of following plants which structure is triploid?

1 : Egg

2 : Fusion nucleus

3 : Endosperm

4 : sperm

10 : Embryo sac is formed inside:

1 : Filament

2 : Anther

3 : Style

4 : Ovule

11 : Which of the following statements is true about spore formation in fungi?

1 : They produce spores during sexual reproduction

2 : They produce two kinds of spores

3 : Spores can only grow into new fungi in dry environment

4 : They produce spores during asexual reproduction which germinate in suitable conditions

12 : Double Fertilization involves:

1 : Fertilization of the egg by two male gametes

2 : Fertilization of the two egg in the same embryo sac by two seems

3 : Fertilization of the egg and the fusion nucleus by two sperm

4 : Fertilization of the egg and tube cell by two sperms

13 : Which of the following is NOT a part of carpel?

1 : Filament

2 : Style

3 : Stigma

4 : Ovary

14 : Which structure forms the female gametophyte in flowering plants?

1 : Pollen grin

2 : Ovule

3 : Anther

4 : Sepal

15 : What is the primary method of reproduction in yeast?

1 : Binary

2 : Spore formation

3 : Budding

4 : Fragmentation

Biology 9th MCQs || Ilam Ghar