Biology: Plants, Cells, and Biochemistry
A comprehensive biology quiz covering plant morphology and physiology, cell structure and organelles, and biochemical processes including enzymes and nucleotides
Questions
The in-foldings of the inner mitochondrial membrane are called
- cristae
- oxysomes
- grana
- cisterns
Which of the following organelles acts as the site of transcription?
- Mitochondria
- Ribosome
- Peroxisome
- Nucleus
Which of the following organelles is concerned with the fatty acid metabolism?
- Mesosomes
- Glyoxysomes
- Peroxisomes
- Spherosomes
Which of the following materials is abundantly found in the middle lamella of the plant cell?
- Lignin
- Cellulose
- Pectin
- Suberin
Where is anthocyanin present in the cell?
- Chloroplast
- Chromoplast
- Leucoplast
- Vacuole
If plant cells lose turgidity, but the signs of wilting are not visible externally, what type of wilting is exhibited by the plant?
- Incipient wilting
- Temporary wilting
- Nascent wilting
- Emergent wilting
What type of sugar is hemicellulose?
- It is a polysaccharide present in cell wall of leaves and petals of all plants.
- It is a disaccharide and is present in the cytoplasm of all plant cells.
- It is a polysaccharide present in cell wall of seeds and endosperm of certain plants.
- It is a disaccharide and is present in nucleoplasm of all plant cells.
What type of leaf modification is present in acacia plant?
- Leaf spine
- Leaf hook
- Leaf tendril
- Leaf scales
What are fats and their derivatives collectively known as?
- Fatty acids
- Steroids
- Sterols
- Lipids
Why is it recommended to boil the equipments properly before using them for surgery?
- To kill the pathogens which infect the instruments.
- To make the handling of instuments easier.
- To make the patient feel comfortable.
- To prevent the rusting of instruments during surgery.
If it is given that 1 molar solution of sucrose develops a pressure of -27 bars on osmometer, what does it indicate?
- Pressure potential is -27 bars.
- Osmotic potential is -27 bars.
- Water potential is -27 bars.
- Solute pressure is -27 bars.
What is the shape of the apex in the plant Oxalis?
- Retuse
- Acute
- Cirrhose
- Imucronate
To which of the following categories does the esterase enzyme belong?
- Oxidation-reduction enzymes
- Carboxylation enzymes
- Hydrolytic enzymes
- Desmolase enzymes
Which of the following is not a function of nucleotides?
- Energy carrier
- Membrane receptors
- Genetic system
- Co-enzymes
What is the study of nests of birds called?
- Nosology
- Nidology
- Kalology
- Kinesology
When the pollen grains are placed in a beaker containing water, they will
- swell without forming any pollen tubes
- swell and ultimately die out
- germinate and produce a pollen tube
- form exceptionally large number of pollen grains
Which of the following types of compound leaves is present in Rose plant?
- Imparipinnate
- Bipinnate
- Unifoliate palmate
- Trifoliate palmate
Which type of venation is present in banana leaves?
- Unicostate parallel
- Multicostate divergent
- Multicostate convergent
- Unicostate reticulate
In which of the following plants is the cauline type of insertion of leaves found?
- Turnip
- Carrot
- Dalbergia
- Maize
Which of the following is the main function of rough endoplamic reticulum?
- Protein synthesis
- Fat storage
- Respiration
- Photosynthesis