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biology mcqs with answers
Which Of The Following Is The Correct Sequence In The Biological Method?
Observation?Hypothesis?Law?Theory | |
Law?Theory?Deduction?Observation | |
Observation?Hypothesis?Deduction?Testing Of Deduction | |
Hypothesis?Observation?Deduction?Testing Of Deduction |
Which Of The Following Is Second Largest Part Of The Brain______
Cerebrum | |
Cerebellum | |
Hypothalamus | |
Thalamus |
Which Of The Following Is Responsible For Irish Potato Famine?
Physarum Polycephalum | |
Phytophthora Infestans | |
Kleps | |
Dinoflagellates |
Which Of The Following Is A Sentimentally Arranged Excretory System?
Metanephridium | |
Malpighian Tubules | |
Protonephridium | |
Nephrons |
Which Of The Following Is A Selectively Permeable Membrane?
Cytoplasm | |
Cell Wall | |
None Of These | |
Cell Membrane |
Which Of The Following Is Antagonist To Auxin In Terms Of Promotion Of Stem Growth______
None Of These. | |
Abscisic Acid | |
Gibberellins | |
Cytokinins |
Which Of The Following Is An Rna Virus:
Influenza Virus | |
Hbv | |
Herpes Virus | |
Pox Virus |
Which Of The Following Is An Example Of The Living Member Of Psilopsida______
Psilophyton | |
Rhynia | |
Psilotum | |
Cooksonia |
Which Of The Following Is An Autosomal Disorder______
Downs Syndrome | |
Jacobs Syndrome | |
Klinifelters Syndrome | |
Turners Syndrome |
Which Of The Following Is A Disease Caused By Deficiency Of Protein In Children?
Marasmus | |
Pellagra | |
Rickets | |
Beri-Beri |
Which Of The Following Is A Compensation Point:
Rate Of Respiration Becomes More Than Rate Of Photosynthesis. | |
Rate Of Photosynthesis Increases, So Do The O2 Production, With A Net Release Of Oxygen Coupled With The Uptake Of Co2. | |
Photosynthesis And Respiration Occur At Same Rate. So There Is Not Net Exchange Of Gases Between Atmosphere And Plants. | |
Leaves Respire And Utilize O2 And Release Co2. |
Which Of The Following Is A Chemical Link Between Catabolism And Anabolism?
Atp | |
Amp | |
Adp | |
All Of These |
Which Of The Following Ions Are Involved In The Initiation Of Nerve Impulse______
Na+ | |
Fe | |
K+ | |
None Of These |
Which Of The Following Impart A Red Colour To Rose Petals?
Chloroplast | |
Leucoplast | |
Chlorophyll | |
Chromoplast |
Which Of The Following Hormone Is Predominantly Responsible For Bone Weakening In Older Women?
Progesterone. | |
Oestrogen. | |
Parathyroid Hormone. | |
Calcitonin. |
Which Of The Following Hormone Is Polypeptide In Nature______
Adh | |
Cortisone | |
Insulin | |
Thyroxine |
Which Of The Following Hepatitis Is More Contagious ?
Hcv | |
Hbv | |
Hdv | |
Hav |
Which Of The Following Help Cyanobacteria To Locomote?
Gas Vesicles | |
None Of These | |
Both Of These | |
Flagella |
Which Of The Following Have Thickest Walls?
Arteries | |
Veins | |
None Of These | |
Capillaries |
Which Of The Following Has No Central Nervous System?
Man | |
Cockroach | |
Hydra | |
Planaria |
Which Of The Following Group Represent Pathological Fungi______
Rusts Smuts And Molds | |
All Of These | |
Mushrooms Morels And Truffles | |
Penicillium |
Which Of The Following Group Of Tracheophyta Has Expanded Or Scale Like Leaves Which Are Alwaysed Arranges In Whorls?
Sphenopsida | |
Psilopsida | |
Lycopsida | |
Prteropsida |
Which Of The Following Gives To Rise Two Daughter Cell During Cell Division?
Both A & B | |
Mitosis | |
Meiosis | |
None Of These |
Which Of The Following Gases Readily Combines With The Haemoglobin Of The Blood?
Nitrogen Dioxide | |
Carbon Monoxide | |
Methene | |
Oxygen |
Which Of The Following Gas Discovered By Scheele?
Hydrogen | |
Oxygen | |
Chlorine | |
Carbon Dioxide |