MCQ Bank
Water from the undigested food is absorbed mainly in the
- A) Stomach
- B) Food pipe
- C) Large intestine
- D) Small intestine
Left ventricle pushes blood towards ………
- A) Heart
- B) Lungs
- C) Aorta
- D) Tricuspid vale
Gaseous exchange takes place in plants by stomata in -----cells
- A) Mesophil Cells
- B) Epithelial cells
- C) Vasscular cells
- D) Guard cells
Filamentous algal species include
- A) Chlamydomonas
- B) Euglena
- C) Volvox
- D) Spirogyra
Phycobilins are found in
- A) Blue Algae
- B) Brown Algae
- C) Red Algae
- D) Green Algae
Bread molds belong to phylum
- A) Basidiomycota
- B) Zygomycota
- C) Deuteromycota
- D) Ascomycota
Which of these are exclusively marine animals?
- A) Echinoderms
- B) Arthropods
- C) Flat worms
- D) Mollusks
Stinging cells are found in
- A) Arthropods
- B) Mollusks
- C) Coelentrates
- D) Sponges
Frogs are included in
- A) Decomposer
- B) Primary consumers
- C) Tertiary consumers
- D) Secondary consumers
Interactions between biotic populations and abiotic factors in a community
- A) Population
- B) Community
- C) Ecosystem
- D) Biosphere
The removal of the metabolic wastes of an organism is
- A) Defecation
- B) Renal artery
- C) Respiration
- D) Excretion
Bowman's capsule plays role in_____.
- A) Filtration of Blood
- B) All of the mentioned
- C) Exchange of gases in blood
- D) Transport of Oxygen
Two monomers in carbohydrates linked together by ---bonding
- A) Glycosidic bonding
- B) Peptide linkage
- C) Ester linkage
- D) Ether linkage
Which of the following RNA polymerases are responsible for the production of 5S rRNA?
- A) RNA polymerase i
- B) RNA polymerase ii
- C) RNA polymerase iii
- D) RNA polymerase iv
Which part of sigma factor associates with -10box?
- A) 1.2
- B) 2.4
- C) 4.4
- D) 4.2
In alkaptonuria ---enzyme is missing
- A) Homegenistic acid oxidase
- B) Amalyase
- C) Trypsin
- D) Arginase
Which cation is placed in the catalytic subunit of RNA polymerase?
- A) Zn2+
- B) Mn2+
- C) Mg2+
- D) Fe3+
RNA polymerase moves from 3 to 5 prime direction and synthetize in ----
- A) 5 to 3 prime
- B) 3 to 5 prime
- C) In any direction
- D) in direction of okazaki fragment
According to Chargaff rule
- A) AC=TC
- B) T+A=G+C
- C) A+G=T+C
- D) AT=TC
RNA polymerase opens ----base pairs at a time.
- A) 20bp
- B) 30bp
- C) 25bp
- D) 40bp