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The wasp pollinates the fig inflorescence while searching for suitable oviposition (egg laying) r site whereas the fig provides the wasp some seed as a food for the developing wasp larvae.
Thus wasp get benefited in two ways by getting best site for egg laying and also obtaining food for nourishing its larvae.

The phenomenon in which a part of the light incident on a particle is redirected in different directions

Organisms that break down complex organic matter the dead remains and waste products of organisms.

(i) Beyond 2F₁ 

(ii) Greater 

It states "Properties of elements are periodic function of their atomic number."

It states “Properties of elements are periodic function of their atomic number.”

Speciation – Origin of a new species from pre-existing one.

Factors – Mutation, Genetic drift, Geographical isolation, Reproductive isolation

 Advantage 

(1) Inbreeding is used for the development of pure lines. 

(2) It helps in accumulation of superior genes and elimination of less desirable genes. 

(3) It increases homozygosity 

Disadvantages: Harmful recessive alleles may be exposed during inbreeding. Inbreeding also leads to loss of fertility and productivity. 

(i) Saves time/ energy in segregation
(ii) Biodegradable items can be directly sent for composting
iii) Non–biodegradable items can be sent for appropriate reuse/ recycle

Two functions of DNA polymerase are                                                                                                        .
(1) It adds nucleotides to the DNA and removes RNA primer from DNA.
(2) It also proofreads the created portion of DNA

Addiction is a psychological attachment to certain effects such as euphoria and temporary feeling of wellbeing associated with prolonged use of drugs and alcohol. 

With repeated use of drugs/alcohol, the tolerance level of the receptors in our body increases and consequently they respond only to high does of drugs/alcohol. It leads to dependence of the body upon them which may be psychological or physical.

Two limitations:

(a) Solar heating devices are useful only at certain times during the day. 

(b) High cost and low efficiency of solar cell panels.

The various groups in France society were known as Estates

The answer is (D) 90%

The process for the establishment of a federation in India has been described as one of the "movement from the Union to the units, rather than from the units to the union, i.e.. Holding Together Federation." 

The constitution of India says "India shall be a Union of states" which signifies that the Indian federation is not the result of an agreement by the units and the units have no freedom to secede from it.

Correct option (a) Norman E. Borlaug

Total no of cells of amoeba \(=\) \(64\)

No of binary fissions \(=\)  \(\frac{64}{2} - 1 = 32 - 1 = 31\)

There are total  binary fissions occurring in amoeba. The reasons for this are:- 

• Binary fission is a type of asexual reproduction in which an organism divides into \(2\) daughter cells identical to each other. 
• Amoeba is a unicellular organism which reproduces by binary fission. 
• Therefore, 32 successive binary fissions will result in 64 amoebae cells.  

Physical quantities can be divided into two types :

(i) Scalar quantity : Any physical quantity, which can be completely specified by its magnitude alone, a scalar quantity or a scalar.

Eg : Charge, distance, area, speed, time, temperature, density, volume, work, power, energy, pressure, potential etc.

(ii) Vector quantity : Any physical quantity, which required direction in addition to its magnitude it known as a vector quantity.

Eg.: Displacement, velocity, acceleration, force, momentum, weight and electric field etc.

1atm = 1.01 × 10⁵Pa

Oxygen, Nitrogen and Argon can be separated by fractional distillation of air.

15% solution of NaCl is a solution 100g of which contains 15g of NaCl and 85g of water.

S_n=u+a/2(2n-1)

Companies appoint salesperson to contact prospective buyers and create awareness about the company’s product.

Private placement. 

Private sector enterprises are those which are owned, controlled, and managed by private individuals, with the main objective of earning profit.

Energy of electron in n = 2 is -3.4eV

∴ energy in ground state = -13.6eV

kE = -TE = +13.6eV 

E_n = x/n²

= - 3.4 eV = x/ 2²

energy in ground state x = - 13.6eV.

PE = 2TE = -2×13.6eV = -27.2eV 

3x = tan 30°

3x = 1/√3

x = 1/√3 x 1/3

x = 1/3√3

Advantages of reflecting telescope over refracting telescope

(i) Mechanical support is easier

(ii) Magnifying power is large

(iii) Resolving power is large

(iv) Spherical aberration is reduced

(v) Free from chromatic aberration

Detailed Answer :

Two advantages of reflecting Telescope over refracting Telescope are given as-

(i) No loss of intensity of incident light, therefore we get bright image in reflecting telescope.

(ii) In reflected telescope, spherical aberration is removed by using parabolic mirrors, so there is no spherical aberration in reflecting telescope. 

(i) The properties of hydrogen resemble with both alkali metals as well as halogens. So, on the basis of its properties it could be placed in group I (with alkali metals) as well as in group VII (with halogens). 

(ii) (a) Atomic size decreases from left to right along a period because of increase in nuclear charge (atomic number) which tends to pull the electrons closer to the nucleus. 

(b) Atomic size increases down the group due to addition of new shells (orbits).

(i) Green to white, then brown 

(ii) Water 

(iii) As of burning sulphur 

(iv) Ferric oxide, sulphur dioxide, sulphur trioxide

(v) Decomposition reaction

Artificial sweetening agents: These are the substances which are non-nutritive in nature and used as substitutes for sugar in foods and beverages.
Examples:
Aspartame: Aspartame is 100 times as sweet as cane sugar. Its use is limited to cold foods and soft drinks because it is unstable at cooking temperature. Saccharin: It is about 550 times as sweet as cane sugar. Its use is of great value to diabetic persons and people who need to control intake of calories.

All carbohydrates which reduce Tollen’s reagent and Fehling’s solution are referred to as reducing sugars, e.g., glucose.

The catalytic reaction which depends upon the pore structure of the catalyst and the size of the reaction and product molecules is called shape selective catalysis.

It is because halogens absorbs light from visible region and radiate complementary colour. (The other reason is electrons from antibonding molecular orbital are easily get excited in orbital hence halogens are coloured).

(i) The positively charged colloidal particles of Fe(OH)₃ get coagulated by negatively charged Cl^– ions provided by electrolyte sodium chloride. 

(ii) The path of light is not visible when light is passed through NaCl solution but visible when light is passed through a sol due to scattering of light by colloidal particles.

(i) Mole fraction of a component in a solution may be defined as the ratio of moles of that component to the total number of moles of all the components present in the solution.
(ii) The solutions of the same osmotic pressure at a given temperature are called isotonic solutions.
(iii) van’t Hoff’s factor (i) may be defined as the ratio of normal molecular mass to observed molecular mass or the ratio of observed colligative property to normal colligative property.
(iv) A solution which obeys Raoult’s law over the entire range of concentration is called an ideal solution.

PCl₄^–, as phosphorus has 10 electrons which can’t be accommodated in sp³ hybrid orbitals.

Correct Option (c) alkaline potassium permanganate

Correct Option (b) 1-Bromo-2, 2-dimethylpropane. 

Correct Option  (a) Novestrol