Explore topic-wise InterviewSolutions in Current Affairs.

When the mouth parts of a cockroach are observed, it appears that they are placed in a typical downward arrangement with a smaller upper lip (labrum) and a larger lower lip (labium).This sort of arrangement is called______________________ condition.

Explain the causes and effects of eutrophication. [3 MARKS]

Maximum amount of water from the glomerular filtrate is reabsorbed in

(a) proximal convoluted tubule

(b) descending limbs of loop of Henle.

(c) ascending limb of loop of Henle.

(d) distal convoluted tubule.

In the same experiment how many $F_2$ plants show $F_1$ phenotype?

The Fetal ejection reflex in humans triggers

Which phase is of longest duration in meiosis?

Blood pressure is created by

how are the hereditary changes responsible for evolution?

Identify the phenomenon depicted in the given image.

Mucin present in saliva is:

A plant in which sporophytic generation is represented by zygote is

Which elements are essential for photophosphorylation?

The biologist who has been called the ‘Darwin of the 20^th century’ is

During recombinant dna technology, as genotype of the organisms changes, also its phenotype gets modified?

What is the difference between an obligate parasite and a facultative parasite?

Most of the energy required by the human body comes from:

Match the following and choose the correct option:

Question 26
Which products formed during the light reaction of photosynthesis are used to drive the dark reaction?

A cell has mitochondria, ribosomes, smooth and rough ER, and other parts. Based on this information, it could not be

In an organism, tall phenotype is dominant over recessive phenotype, and alleles are designated as T and small t, respectively. Upon crossingtwo different individuals, total 250 offspring's were obtained, out of which 124 displayed tall phenotype and rest were dwarf. Thus the genotype of the parents were

Match Column I with Column II and select the correct option using the codes given below
$\begin{array}{cccc}& ColumnI& & ColumnII\\ a.& Citricacid& \left(i\right)& Trichoderma\\ b.& CyclosporinA& \left(ii\right)& Clostridium\\ c.& Statins& \left(iii\right)& Aspergillus\\ d.& Butyricacid& \left(iv\right)& Monascus\end{array}$

Apical dominance is due to

Basement membrane is derived from______.

Try to trace the various components of human evolution (Hint : Brain size and function, skeletal structure, dietary preference, etc.),

Assertion [A]: All muscles follow “all or none” principle.

Reason [R]: All muscles fibers contract either fully or do not contract at all depending upon the threshold stimulus availability.

If each microsporangium contains 75 pollen mother cells (PMCs), what is the maximum number of pollen grains produced by a Datura flower?

Match the columns and choose the correct combination

$\begin{array}{cccc}& \text{I}& & \text{II}\\ \text{(a)}& \text{Cytokinin}& \text{(p)}& \text{Stress hormone}\\ \text{(b)}& \text{Auxins}& \text{(q)}& \text{Ripening of fruits}\\ \text{(c)}& \text{Abscisic acid}& \text{(r)}& \text{Apical dominance}\\ \text{(d)}& \text{Ethylene}& \text{(s)}& \text{Bolting}\\ & & \text{(t)}& \text{Richmond–Lang Effect}\end{array}$

Match the following:

Column I Column II

(i). B cells and T cells a. Binding of antigen on its cell surface.

(ii). B cells b. Activate B cells and killer T cells.

(iii). T cells c. Make antibodies.

(iv). B cells are activated by d. Recognize antigens.

Coronary sulcus is found between

Which of the following coelenterates does not exhibit alternation of generation in its life cycle?

Which hormone is involved in regulating kidney funciton?

Which area actually secretes renin into the blood?

Stomatal apparatus does not include ________.

While all life forms need to be protected from extinction, which are the ones that need our utmost attention in conservation?

Describe the meaning of public health. Discuss the major public health measures undertaken by the state in recent years to control diseases.