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In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation?

1) Intrauterine transfer 2) Gamete intracytoplasmic fallopian transfer 3) Artificial Insemination 4) Intracytoplasmic sperm injection... View Article

Double fertilization is exhibited by

1) Gymnosperms 2) Algae 3) Fungi 4) Angiosperms Answer: 4) Angiosperms Explanation: Double fertilization occurs in angiosperms. One of the... View Article

Select the mismatch association among the following

1) Frankia - Alnus 2) Rhodospirillum - Mycorrhiza 3) Anabaena - Nitrogen fixer 4) Rhizobium - Alfalfa Answer:2) Rhodospirillum - Mycorrhiza... View Article

Anaphase promoting complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?

1) Chromosomes will not condense 2) Chromosomes will be fragmented 3) Chromosomes will not segregate 4) Recombination of chromosome arms will... View Article

Which of the following RNAs should be most adundant in animal cell?

1) rRNA 2) tRNA 3) mRNA 4) miRNA Answer: 1) rRNA Explanation: rRNA is the most abundant type of RNA present in a cell. They account for 80%... View Article

Which of the following components provides sticky character to the bacterial cell?

1) Cell wall 2) Nuclear membrane 3) Plasma membrane 4) Glycocalyx Answer:4) Glycocalyx Explanation: Glycocalyx is the outermost layer of the... View Article

DNA replication in bacteria occurs

1) During S-phase 2) Within nucleolus 3) Prior to fission 4) Just before transcription Answer:3) Prior to fission Explanation: Bacteria... View Article

Plants which produce characteristic pneumatophores and show vivipary belong to

1) Mesophytes 2) Halophytes 3) Psammophytes 4) Hydrophytes Answer: 2) Halophytes Explanation: Halophytes have pneumatophores for gaseous... View Article

Receptor sites for neurotransmitters are present on

1) Membranes of synaptic vesicles 2) Presynaptic membrane 3) Tips of axons 4) Postsynaptic membrane Answer: 4) Postsynaptic membrane... View Article

Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by

1) Water 2) Bee 3) Wind 4) Bat Answer: 3) Wind Explanation: Single ovule in the ovary and many flowers packed into inflorescence are usually... View Article

Root hairs develop from the region of

1) Maturation 2) Elongation 3) Root cap 4) Meristematic activity Answer:1) Maturation Explanation: Root hairs develop from the zone of... View Article

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without

1)Bacillus 2)Pseudomonas 3) Mycoplasma 4) Nostoc Answer:3) Mycoplasma Explanation: Mycoplasma is the smallest living known cell. It is... View Article

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Archives

In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation?

Double fertilization is exhibited by

Select the mismatch association among the following

Anaphase promoting complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?

Which of the following RNAs should be most adundant in animal cell?

Which of the following components provides sticky character to the bacterial cell?

DNA replication in bacteria occurs

Plants which produce characteristic pneumatophores and show vivipary belong to

Receptor sites for neurotransmitters are present on

Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by

Root hairs develop from the region of

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without

Life cycle of Ectocarpus and Fucus respectively are

Zygotic meiosis is characteristic of

What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis?

Which of the following is correctly matched for the product produced by them?

Presence of plants arranged into well defined vertical layers depending on their height can be seen best in

The function of copper ions in copper releasing IUD’s is

The DNA fragments separated on an agarose gel can be visualised after staining with

Which one from those given below is the period for Mendel’s hybridization experiments?

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