Biology Comprehensive Review
A comprehensive biology quiz covering genetics, cell biology, plant morphology, human physiology, microbiology, and biochemistry fundamentals.
Questions
In which of the following crosses will the progenies obtained be fifty percent homozygous recessive and fifty percent heterozygous?
- TT x Tt
- Tt x Tt
- Tt x tt
- TT x tt
Loss of one chromosome from one set is called
- tetrasomy
- nullisomy
- monosomy
- trisomy
If the enzyme extract is subjected to magnetic field, it splits to two fractions each catalyzing the same reaction. These fractions are called
- isozymes
- allosteric enzymes
- multiple enzymes
- co-enzymes
Which of the following is an enzyme filled organelle?
- Lysosome
- Ribosomes
- Mesosomes
- Oxysomes
Which of the following studies considers all the organisms of a particular species inhabiting in a particular geographical area at a certain time?
- Synecology
- Autecology
- Demecology
- Ethology
To which of the following categories of biomolecules do dextrin, cellulose and pectin belong?
- Disaccharides
- Monosaccharides
- Polysaccharides
- Glycoprotein
Which of the following is a single membrane organelle?
- Mitochondria
- Chloroplast
- Ribosomes
- Spherosomes
Which of the following organisms lacks membrane bound organelles?
- Lactobacillus
- Actinomycetes
- Sponges
- Plasmodium
Which type of aerial stem is present in eucalyptus?
- Excurrent
- Decurrent
- Culm
- Caudex
Which of the following veins carries oxygenated blood in the human body?
- Superior vena cava
- Inferior vena cava
- Pulmonary vein
- Renal vein
Which type of bacteria will be used for a successful conjugation?
- F+ and F-
- Hfr and Hfr
- F+ and F+
- Hfr and F+
When do two chromatids of a chromosome separate from each other?
- During anaphase
- During telophase
- During metaphase
- During prophase
Which of the following organisms are studied under malacology?
- Molluscs
- Fungi
- Monerans
- Ants
Which of the following genus of fungi forms the black moulds on the surface of bread?
- Agaricus
- Pencillium
- Saccharomyces
- Rhizopus
Which of the following organelles contains the necessary enzyme for the metabolism of fatty acids?
- Mitochondria
- Chloroplast
- Glyoxysomes
- Endoplasmic reticulum
Match the following:
| List A |
</strong>|<strong>List B</strong>|
|a. Mycology|p. Birds|
|b. Ornithology|q. Worms|
|c. Herpetology|r. Fishes|
|d. Ichthyology|s. Fungi|
| |t. Snakes|
- a - q, b - s, c - r, d - t
- a - p, b - s, c - r, d - t
- a - s, b - p, c - t, d - r
- a - s, b - t, c - p, d - r
In which of the following types of chromosomes is the length of both the arms equal?
- Arocentric
- Sub-metacentric
- Metacentric
- Telocentric
Which of the following are an exception to cell theory?
- Fungi
- Bacteria
- Viruses
- Lichens
Which type of phyllotaxy is found in calotropis?
- Opposite
- Alternate
- Spiral
- Whorl
Which of the following is the main factor of difference between photosynthetic and chemosynthetic bacteria?
- Energy source of food synthesis
- Distribution in the biosphere
- Mode of nutrition
- Intake of liquid food