Mixed Test (Biology)
General biology quiz covering cell biology, genetics, microbiology, and biochemistry
Questions
Which of the following techniques is used for tracing metabolic processes using isotopes?
- Autoradiography
- Chromatography
- Ultra-centrifugation
- Electrophoresis
Which of the following organelles plays an important role in cytokinesis in plant cells?
- Lysosomes
- Chloroplast
- Endoplasmic reticulum
- Golgi complex
Which of the following cell structures is/are associated with oxidative phosphorylation?
- Grana
- Oxisomes
- Ribosomes
- Endoplasmic reticulum
Which of the following body organs is studied under myology?
- Muscles
- Kidney
- Heart
- Nerves
Which of the following microbes causes Bubonic Plague?
- Bordetella pertussis
- Pasteurella pestis
- Treponema pallidum
- Streptococcus scarlatina
Which of the following factors is responsible for keeping the water molecules together in xylem column?
- Imbibition pressure
- Osmotic pressure
- Adhesion force
- Cohesion force
A plant cell has the tendency to differentiate and divide to form a mass of undifferentiated cells. What is this property called?
- Tissue culture
- Pluripotency
- Totipotency
- Gene cloning
Which of the following types of cells do not possess mitochondria?
- Hepatocytes
- Lymphocytes
- Erythrocytes
- Nephrocytes
Which of the following phenomena is indicated by the formation of chiasmata?
- Synapsis
- Crossing over
- Non disjunction
- Translation
Which of the following biomolecules are joined by a peptide bond?
- Amino acids
- Fatty acids
- Nucleotides
- Monosaccharides
What type of surface is possessed by the leaves of tobacco plant?
- Glutinous
- Glaucous
- Pubescent
- Tomentose
Plant modifications like phyllode, phylloclade, cladode, etc. are for
- decreasing transpiration
- speciation and variation
- decreasing photosynthesis
- storing absorbed moisture
Which of the following cell structures is deviod of a nuclear membrane and mitochondria?
- Sperm
- Protist
- Bacterial cell
- Sponge cell
Which of the following has a well organised nucleus?
- Bacterial cell
- Prokaryotic cell
- Blue-green algae
- Eukaryotic cell
Which of the following forms the basic element of a chromatin thread?
- Histones
- Nucleosomes
- Nuclear matrix
- Chromonema
Which of the following statements is incorrect?
- Many proteins are the structural component of the cell membrane.
- Enzymes and hormones are basically proteins that maintain homeostasis.
- Proteins are energy rich compounds used as immediate energy source.
- Immunoglobulins are the proteins associated with the immune system.
In which of the following conditions will the size of nucleolus be large?
- When protein synthesis is active.
- When protein synthesis is inactive.
- When lipid synthesis is active.
- When protein synthesis is active.
Keratin, histones and albumin are examples of
- derived proteins
- nucleoproteins
- mucoproteins
- simple proteins
Bacteria having a tuft of flagella on one end is called
- lophotrichous
- amphitrichous
- peritrichous
- atrichous
Which of the following studies will a person undertake if he wants to study the relation of physiology and anatomy with respect to the movements of living beings?
- Kinesology
- Mammology
- Ethology
- Ethnology