Biology Class 11 Quiz: Animal Kingdom

Biology Questions and Answers

• A connecting link between Reptiles and Mammals is the Duck-billed Platypus.
• A pregnant mother supplies nourishment to her foetus through the placenta.
• Larvae of Hemichordata metamorphose into an adult after settling down at the bottom of the sea.
• Streptomycin is a powerful antibiotic against tuberculosis.
• Global problems arise during disaster.

Biology Questions

Progesterone, Estrogen, Testosterone, Insulin

• The odd man is Insulin, as the other three are hormones, while Insulin is a hormone and a protein.

Fragmentation, Transverse Binary Fission, Euglena, Sycon, Plenaria

• Fragmentation: Plenaria
• Transverse Binary Fission: Euglena

Biology and Health

• Aschelminthes have an aceolomate and bilaterally symmetrical body. (True)

Haemophilia, Factor VIII, Dwarfness

• Haemophilia : Factor VIII : : Dwarfness : Human Growth Hormone

Cybercrime

• Cybercrime refers to criminal activities carried out using the internet or other forms of computer technology.

Kreb's Cycle, Citric Acid Cycle

• Kreb's cycle is also known as the citric acid cycle because citric acid is the first compound formed in the cycle.

Microbial Enzymes, Chemical Industry

• Microbial enzymes are used instead of chemical catalysts in the chemical industry because they are more efficient, specific, and environmentally friendly.

Nuclear Power Plants

• It is absolutely necessary to control the fission reaction in nuclear power plants to prevent accidents and maintain safety.

Transcription, Translation

• Transcription is the process of creating a complementary RNA copy from a DNA template, while Translation is the process of building a polypeptide chain from mRNA.

Microorganisms, Oil Spills, Nocardia, PET

• Microorganisms are used to clear oil spills.
• Nocardia is used to convert salts of uranium into insoluble salts.
• Microorganisms are used to decompose PET.

Echinodermata, Phylum

• Distinguishing characters of phylum Echinodermata: radial symmetry, water vascular system, and unique body shape.

Type, Character, Example

• Cyclostomata: Having a notochord, dorsal hollow nerve cord, and pharyngeal slits.
• Gill respiration: Fish
• Amphibia: Frogs
• Whale: Mammal
• Poikilotherms: Fish
• Body is spindle-shaped: Lancelet ...

Menstrual Cycle, Reproductive Organs

• Reproductive organs that undergo changes in the menstrual cycle are the uterus and ovaries.
• The period of regeneration of endometrium is the proliferative phase.
• The period of secretions of glands in endometrium is the luteal phase.

mRNA, tRNA, rRNA, Amino Acids

• Each mRNA is made up of thousands of nucleotides.
• tRNA has an anticodon having a complementary sequence to the codon on mRNA.
• The process is called complementary base pairing.
• Amino acids are bonded together by peptide bonds with the help of rRNA.
• The ribosome keeps on moving from one end of mRNA to the other end by the distance of one triplet codon, which is called translocation.

Disasters, Cybercrime

• Types of Disasters: natural, man-made, and biological.
• Cybercrime refers to criminal activities carried out using the internet or other forms of computer technology.

Phylum, Sub-Kingdom

• The animals belonging to Phylum Porifera belong to sub-kingdom Parazoa.
• They bear numerous pores on their body called ostia and osculum.
• They have special type of cells called choanocytes.
• Their body is supported by a skeleton made up of calcium carbonate.

Complex Permanent Tissues, Animal Tissue

• Types of complex permanent tissues in plants: xylem and phloem.
• Two main types of animal tissue: epithelial and connective tissue.
• The most commonly used variety of worm used in sericulture is the silkworm.
• One method used in animal husbandry is artificial insemination.

Forensic Sciences

• The technique 'X' is DNA fingerprinting, which is mainly useful in forensic sciences.
• DNA fingerprinting is the process of identifying an individual by their unique DNA pattern.
• Use of DNA fingerprinting: solving crimes, identifying human remains, and determining paternity.
• Research on DNA fingerprinting is performed in forensic laboratories.

Thermal Power Plant

• Energy conversion in a Thermal Power Plant: chemical energy from coal -> heat energy -> mechanical energy -> electrical energy.