MCQs4All - Biology Collection
Biology MCQs for NTS, FPSC, CSS, PPSC, PMS, UTS, FTS, OTS, Teaching, CT, PTC, SST, B.Ed, M.Ed of past papers
Question. Lock and Key model was proposed by______________?
- Emil Fischer
- Robin Williams
- Rudolph Virchow
Question. Exoskeleton of a marine snail is composed of________________?
Question. Coenocytic hyphae are also known as______________?
- Perforated hyphae
- Uninucleate hyphae
Question. Single circuit heart is found in_________?
Question. Which one is an organic compound_____________?
Question. Photosystem II has molecules which absorbs maximum light of___________?
- 680 nm
- 100 m
- 700 nm
- 670 nm
Question. Which of the following fishes excrete large volume of diluted urine?
- Bony Marine fishes
- Fresh water fishes
- Both depending upon the surrounding water
- None of these
Question. Visible light used in photosynthesis ranges from:__________?
- 300 – 700 nm in wavelength
- 350 – 750 nm in wavelength
- 380 – 750 nm in wavelength
- 390 – 790 nm in wavelength.
Question. Ribosomes were discovered by_______?
- De Duve
Question. _____________ is a nervous disorder characterized by involuntary tremors, diminished motor power and rigidity?
- Alzheimer’s disease
- Parkinson’s disease
Question. One celled green ptotists are included in___________?
- Slime molds
Question. Breeders have developed new and better varieties of food items by using which technique?
- Hydroponic culture technique
- Genetic engineering
- Biological control techniques
Question. Transport of minerals from soil to epidermal cells of roots via carrier protein molcules along their concentration gradient is called___________?
- Facilitated diffusion.
- Passive transport.
- Active transport.