Plant Tissues and Cellular Metabolism
This quiz covers plant tissue anatomy including meristems, parenchyma, xylem, phloem, and vascular bundles, as well as cellular metabolic processes like glycolysis, Krebs cycle, and macronutrient metabolism. Essential for medical aspirants studying plant biology and biochemistry.
Questions
The plant tissues developing from dedifferentiation in the permanent tissues are
- primary meristem
- secondary meristem
- apical meristem
- intercalary meristem
Which among the following does not characterise meristematic cells?
- The meristematic cells are of same size of matured cells.
- Intercellular spaces among meristematic cells are absent.
- The cell wall of meristematic cells are composed of cellulose.
- Every meristamatic cell posses only single nucleus.
Which of the following meristematic tissues outlines into protective structures of the plants?
- Procambium
- Ground meristem
- Lateral meristem
- Protoderm
Pick out the wrong statement regarding the permanent tissues.
- Vacuoles are absent.
- Cytoplasm is highly granular.
- The intercellular spaces are absent.
- The cells are variable in size and shape.
The parenchyma prominent in aquatic floating plants is
- chlorenchyma
- prosenchyma
- vascular parenchyma
- arenchyma
Which among the following parenchyma helps in the storing conserved food in the plants?
- Armed parenchyma
- Conjunctive parenchyma
- Medullary parenchyma
- Vascular parenchyma
Which among the following consists of barrel-shaped parenchyma cells ?
- Hypodermis
- Cortex
- Endodermis
- Pericycle
Which of the following xylem vessels is confined to leaf surface only?
- Xylem parenchyma
- Xylem fibre
- Xylem tracheae
- Xylem tracheid
Which among the permanent tissues occurs in hypodermis ?
- Sclerenchyma
- Angular collenchyma
- Lamellar collenchyma
- Lacunar collenchyma
Which among the following is the characteristic feature of the vascular bundles of the root?
- Collateral bundle
- Bicollateral bundle
- Radial bundle
- Concentric bundle
Within the plant, the organic food is stored by
- phloem fibres
- phloem parenchyma
- companion cells
- sieve tubes
Which among the following does not characterise the epidermis?
- It give rise to epidermal hairs.
- On stem and leaf, it is surrounded by cuticle.
- Stomatas are completely absent on it.
- It is a derivative of protoderm.
The outermost covering of the stem is termed as
- epidermis
- hypodermis
- cortex
- endodermis
Which of the following structures is situated in between the vascular bundles of the plants?
- Stele
- Pericycle
- Medullary rays
- Pith
Which among the following statements does not characterise the process of glycolysis?
- It requires the presence of oxygen.
- It is the first step of cellular respiration.
- It produces two ATP molecules.
- It utilizes FAD as an electron acceptor.
Select the wrong statement regarding the Lactic acid.
- It is produced as a result of aerobic metabolism of glucose.
- It is a normal end product of glycolysis.
- It is a normal end product of RBCs respiration.
- In yeast, it forms carbon dioxide and ethanol.
The product of beta oxidation is metabolized by the actions of
- glycogenolysis
- glycolysis
- glycogenesis
- TCA cycle
Among which of the following tissue iis glycogen stored, which produce free glucose during the need in the body?
- Islets of Langerhans
- Liver
- Skeletal muscle
- Gall bladder
Which among the following is not included in the amino acid metabolism ?
- Oxidative deamination
- Transamination
- Beta-oxidation
- Kreb's cycle
Which of the following statements regarding Kreb's cycle is wrong?
- Attachment of acetyl CoA to oxaloacetic acid starts the TCA cycle.
- Three molecules of NADH are produced per molecule of glucose.
- As the TCA ends, it regenerates four-carbon oxaloacetic acid.
- During TCA cycle, QH2 is also formed.
What is the main source of energy in a resting muscle?
- Fatty acid
- Glucose
- Lactic acid
- Ketone bodies
Which among the following is a common product in carbohydrate, protein and lipid metabolism ?
- Ammonia
- Pyruvic acid
- Acetyl-CoA
- Phosphoglyceraldehyde
Which among the following vitamins acts as a coenzyme for transaminase enzymes?
- Niacin
- Pyridoxine
- Folicin
- Thiamin
In aerobic respiration, approximately what percentage of energy is stored in form of ATP molecules?
- 40%
- 50%
- 60%
- 70%
The process of formation of non-essential amino acids from essential aminoacids and carbohydrates is known as
- oxidative deamination
- Transamination
- β-oxidation
- Glycogenolysis