List of practice Questions

Calculate the cardiac output of an individual having 70 heart beats/min with a stroke volume of 55 ml.

Identify the incorrect statement/s.
1. Kinetin is a derivative of Adenine which is a pyrimidine.
2. The technique of decapitation is widely used in tea plantations.
3. Ethylene is a gaseous plant hormone.
4. Use of GA₃ hastens the malting process in brewing industry.
5. ABA is a growth promoter.

Match the location of the cell given in Column I with its function in Column II.

Column I		Column II
1.	Mitochondrial matrix	p.	Kreb's cycle
2.	Cytoplasm	q.	ETC
3.	F0 and F1	r.	Glycolysis
4.	Inner mitochondrial membrane	s.	ATP synthesis

The enzyme that is not found in C₃ plants is

The correct statement regarding defects in solid is

The correct sequence of events in prophase I is

Match the compounds of Column I with their functions in Column II.

Column I		Column II
1.	Trypsin	p.	Fights infectious agents
2.	GLUT - 4	q.	Is an intercellular ground substance
3.	Collagen	r.	Works as an enzyme
4.	Antibody	s.	Enables glucose transport into cells

In Chrysoberyl, a compound containing Beryllium, Aluminium and oxygen, oxide ions form cubic close packed structure. Aluminium ions occupy \(\frac{1}{4}\)th of octahedral voids. The formula of the compound is

A bacterial flagellum is composed of

The following type of cell junction is not found in animal tissues

Epigynous flower is one in which

Identify the correct statement/s regarding class aves.
1. Forelimbs are modified into wings and hindlimbs are modified for walking and swimming.
2. Heart is completely four-chambered.
3. They are homeotherms.
4. They are oviparous and development is direct.

Three phtodiodes D₁, D₂, D₃ are made of semiconductors having band gaps of 2.5 eV, 2 eV and 3 eV respectively. Which one will be able to detect light of wavelength 600 nm?

Identify the incorrect statement :

The plant body having holdfast, stipe and frond is a characteristic of

Identify the odd one out.

The concept of "Contagium vivum fluidum" was given by

In a nuclear reactor heavy nuclei is not used as moderators because

Which graph in the following diagram correctly represents the potential energy of a pair of nucleons as a function of their separation?

Identify the correct statement/s about ex situ conservation.
Advanced ex situ conservation includes
i. Cryopreservation of gametes.
ii. Plant tissue culture method.
iii. Seed bank.
iv. In vitro fertilisation.

An electron in an excited state of Li²⁺ ion has angular momentum \(\frac{3h}{2\pi}\). The de Broglie wavelength of electron in this state is Pπa₀ (where a₀ = Boh r radius). The value of P is

Match Column I and Column II

Column I		Column II
1.	Narrowly utilitarian argument	p.	Conserving biodiversity for major ecosystem services.
2.	Broadly utilitarian argument	q.	Every species has an intrinsic value and moral duty to pass our biological legacy in good order to future generation.
3.	Ethical argument	r.	Receiving benefits like food, medicine & industrial products.

The correct equation depicting species-area relationship is

Identify the incorrect statement.
1. Speciation is generally a function of time.
2. Trophical environment is less seasonal, relatively more constant and predictable.
3. Solar energy contributes to high productivity
4. Temperate regions have remained relatively undisturbed for millions of years.

Population size keeps changing depending on different factor/s such as