In guard cells, Potassium ions (K+) combined with sugars lead to

  • lower the water potential in guard cells
  • increase the water potential in guard cells
  • become turgid
  • increased temperature of guard cells

The plants which require water for sexual reproduction are

  • angiosperms
  • gymnosperms
  • mosses and ferns
  • trees

Considering sexual reproduction in animals, the male gonads are known as

  • ovaries
  • sperms
  • oocytes
  • testes

The animals whose egg cells are fertilized by the external environment are

  • amphibians
  • reptiles
  • mammals
  • birds

The structures that are formed by the shrinkage of nuclei includes

  • acrosome
  • tail
  • mitochondrial ring
  • all of above

The process in which ovaries develop into the fruit without the fertilization inside their ovules is called

  • parthenogenesis
  • parthenocarpy
  • cross pollination
  • self pollination

If planarian breaks into many pieces instead of two, it is called

  • fragmentation
  • multiple division
  • asexual reproduction
  • binary fission

The occipital lobe is also responsible for analyzing

  • shapes
  • color
  • movement
  • all of above

The external conditions on which the germination of seeds is dependent are

  • sufficient food storage and water
  • live embryo
  • sufficient food storage
  • oxygen and water

The fusion of female and male gametes results in

  • diploid zygote
  • diploid spores
  • haploid spores
  • diploid spores

The United Nations Fund for Population Activities (UNFPA) began operation in

  • 1976
  • 1996
  • 1989
  • 1969

When worms spontaneously break up into 8 or 9 pieces, the process is called

  • break down of worms
  • binary fission
  • fragmentation
  • budding

Considering the corms of natural vegetative propagation, the buds are present at

  • front side of corm
  • backside of corm
  • top of corm
  • end of corm

The virus that causes AIDS in humans is called

  • hostile immune disorder
  • human immunodeficiency virus
  • human immune disorder virus
  • human internal disorder virus

The kind of fertilization in which the eggs are fertilized in the female reproductive tract is called

  • diploid fertilization
  • haploid fertilization
  • external fertilization
  • internal fertilization

All are wrong about the cyst, but that it is

  • spore covering
  • belt
  • sac
  • daughter cell

In testes, the production of sperms is classified as

  • oogenesis
  • spermatogenesis
  • primary oogonia
  • gametogenesis

After the accumulation of sperms in collecting ducts of testes, the sperms are passed to

  • prostate gland
  • epicotyls
  • epididymis
  • scrotum

The invertebrates in which asexual reproduction occurs are

  • euglena
  • planarian
  • amoeba
  • paramecium

Carpel has a basal ovary, middle style and

  • upper stigma
  • Lowe stigma
  • larger stigma
  • bigger stigma

The method of artificial vegetative propagation in which stem is attached to other plants to establish roots is classified as

  • grafting
  • cuttings
  • cloning
  • tissue culturing

The mass of coiled tubes in each of the two testes is called

  • scrotum tubes
  • seminal tubes
  • seminiferous tubules
  • prostate tubules

The process undergoes in the secondary oocyte is classified as

  • meiosis-II
  • meiosis-I
  • mitosis-II
  • mitosis-I

The groups of plants that do not require water to carry sperms to egg cells are

  • bryophytes
  • gametophyte
  • gymnosperms and angiosperms
  • sporophyte

The offsprings reproduce through vegetative reproduction are

  • genetically different
  • genetically identical
  • vegetative similar
  • vegetative different

The groups of plants that are reproduced by sexual reproduction include

  • ferns
  • mosses
  • seed plants
  • all of above

The male animal that sterile during the summer is

  • monkey
  • lion
  • rabbit
  • elephant

What is attached at the free end of the thread-like filament which is present in stamens?

  • anther
  • stigma
  • ovule
  • carpel

Simple division of cell that produces an exact duplicate of an organism is called

  • cell division
  • reproduction
  • sexual reproduction
  • asexual reproduction

Through seed germination, an embryo develops into

  • complete plant
  • zygote
  • flower
  • seedling
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