General Biology: Plants and Cells
Comprehensive biology quiz covering plant morphology, physiology, biochemistry, cell biology, and genetics topics suitable for intermediate biology students.
Questions
The role of the nucleus in regulating the phenotype of plant was discovered in
- maize
- Neurospora
- Acetabularia
- pea
Which of the following types of tendrils is present in pea plant?
- Leaflet tendril
- Stipular tendril
- Leaf tip tendril
- Petiolar tendril
Which of the following cell organelles is/are semi-autonomous?
- Mitochondria
- Ribosomes
- Endoplasmic reticulum
- Golgi bodies
What is the photosynthetic unit of chloroplast called?
- Quantosomes
- Oxysomes
- Mesosomes
- Spherosomes
The shape of the chromosome is determined by
- centromere
- telomere
- centrosphere
- chromomere
Which of the following types of linkages is responsible for maintaining the primary structure of proteins?
- Hydrogen linkage
- Peptide linkage
- Glucosidic linkage
- Ester linkage
Which of the following pairs of amino acids plays an imporatant role in growth and are not taken in by adults?
- Cyctine and cystein
- Tryptophan and valine
- Leucine and isoleucine
- Arginine and histidine
If the leaves of a plant loose turgidity in the noon and recover in the evening, which phenomena must it have undergone?
- Temporary wilting
- Incipient wilting
- Permanent wilting
- Midday dessication
What will happen to an animal cell placed in water?
- It will swell and burst
- It will shrink and die
- It will shrink and plasmolyse
- It will swell and become turgid
Which of the following is a nutritionally essential amino acid?
- Aspartic acid
- Glycine
- Phenylalanine
- Serine
When is the leaf insertion said to be ramal?
- When the leaves are present on the nodes of the branches
- When the leaves are present directly on the nodes of the main stem
- When the leaves are present on the apical position on the stem
- When the leaves are present on the reduced discoid stem
In which of the following plants is a decompound type of leaf present?
- Carrot
- Citrus
- Oxalis
- Acacia
What should be the concentration of soil content for the proper growth of plants?
- Hypotonic in relation to cells
- Hypertonic in relation to cells
- Isotonic in relation to cells
- Ultratonic in relation to cells
Multicostate reticulate convergent venation is present in
- smilax
- peepal
- banana
- bamboo
In which of the following plants, are leaves persistently present?
- Nerium
- Mulberry
- Dalbergia
- Euphorbia
In which of the following conditions it is said that certain types of lipids and proteins are essential?
- When a cell cannot synthesize them and dies in their absence.
- When cell needs them badly, and synthesizes them on its own.
- When cell needs them and obtains them from the diet.
- When cell needs them and obtains them from adjacent cells.
What type of margin is seen in the rose leaf?
- Serrate
- Entire
- Dentate
- Crenate
A waxy material, deposited on the walls of cork cells, prevents the loss of water. What is this water proof substance called?
- Pectin
- Chitin
- Hemicellulose
- Suberin
Which of the following characteristics of insulin makes it usable for assessing glomerular filtration rate?
- It is a polysaccharide.
- It has high molecular weight.
- It has high molecular weight and is insoluble in human tissues.
- It has low molecular weight and is unutilized in human tissues.
To which of the following categories collagen belongs?
- Chromoproteins
- Fibrous proteins
- Conjugated proteins
- Nucleoproteins
How does the structure of sunken stomata of xerophytes differs from other plants?
- Guard cells are situated below epidermis
- Guard cells are in the line with epidermis
- Guard cells are situated above epidermis
- Guard cells are limited only to lower epidermis
How does the phyllode differ from phylloclade?
- It does not bear auxilliary buds
- IIt does not have structures like bristles, scle leaves, etc
- It is always in horizontal orientation
- It is a modified stem with leaf-like appearance
In which of the following plants can the leaves store water as an adaptive measure?
- Agave
- Berberis
- Onion
- Eichhornia
In which of the following plants is a sagittate type of lamina present?
- Colocasia
- Eucalyptus
- Sonchus
- Tinospora
What happens to enzymes at low temperature?
- They get inactivated.
- They get over activated.
- They remain unaffected.
- They get denatured.