Which of the following statements is/are correct about the Bharat Bill Payment System?

1. Payment through this system can be made only in digital mode using various channels such as internet banking, mobile wallet, etc.
2. RBI offers on-tap authorization for Bharat Bill Payment Operating Units (BBPOU) to conduct bill payment and aggregation business. Select the correct answer using the code given below:

Option 1)
1 only
Option 2)
2 only
Option 3)
Both 1 and 2
Option 4)
Neither 1 nor 2

Vasopressin is concerned with:

Option 1) Dilution of urine

Option 2) Concentration of urine

Option 3) Increase of BP

Option 4) Lowering BP

The principal or nodal points of the Revolt of 1857 were Lucknow, Bengal, Kanpur, and Delhi.

Find the density of ammonia gas at (100^{\circ} \mathrm{C}) when confined by a pressure of 1600 mm Hg.
A (0.00117 , \mathrm{gm} , \mathrm{M})
B (11.700 , \mathrm{gm} , \mathrm{M})
C (2.362 , \mathrm{gm} , \mathrm{M})
D (0.00711 , \mathrm{gm} , \mathrm{M})

Embryo sac occurs in

1. Embryo
2. Axis part of embryo
3. Ovule
4. Endosperm

The soda lime glass is colourless.
True
False

The angles of depression of two objects from the top of a 100 m hill lying to its east are found to be ( 45^{\circ} ) and ( 30^{\circ} ). Find the distance between the two objects. (Take ( \sqrt{3} = 1.732 ))

A) 73.2 metres
B) 107.5 metres
C) 150 metres
D) 200 metres

Public Administration helps in implementing laws.
Option 1) The Legislature
Option 2) The Executive
Option 3) The Judiciary
Option 4) The People

Find the bill amount for the following inter-state transaction of goods/services. The GST rate is 12%.

A ₹46224

B ₹45808

C ₹44556

D ₹44816

What are root hairs? What is the significance of root hairs?

A member has to give ____ days' notice for a question to be asked in the question hour.
Option 1) 5
Option 2) 7
Option 3) 15
Option 4) 10

Which of the following hormones is not correctly matched to its source?
Option 1: Adrenal cortex - Corticoids
Option 2: Adrenal medulla - Catecholamines
Option 3: Thymus - Thyroxine
Option 4: Parathyroid gland - PTH

Meibomian glands are located in:

1. Mucous membrane of the nose
2. Margins of the eyelids
3. Auditory canal
4. Inner lining of the mouth

The probability that the mobile is stolen and found in a week is 0.0006. The probability that the mobile will be stolen is 0.0015. The probability that the stolen mobile will be found in a week is:

Option 1) 0.2

Option 2) 0.4

Option 3) 0.5

Option 4) 0.6

738 765 819 900 1008 1143 ?
Option 1) 1445
Option 2) 1565
Option 3) 1305
Option 4) 1275
Option 5) None of these

Write the structures of the products when Butan-2-ol reacts with the following:
(a) CrO₃
(b) SOCl₂

How many moles of CO₂ will be produced when 10 mol NaHCO₃ is decomposed?

2 NaHCO₃ → Na₂CO₃ + H₂O + CO₂

A) 5
B) 6
C) 4
D) 10

Which among the following countries does not belong to East Asia?

1. Japan
2. Mongolia
3. Taiwan
4. UAE

Choose the correct statement(s) from the following about chlorophyll:
I. Four pyrrole rings are attached to Mg by their C atoms.
II. A cyclopentanone ring is attached to the tetra-isoprenoid alcohol chain.
III. Chlorophyll appears green due to the absorption of red and blue light.
IV. Excitation of chlorophyll by light is a photochemical reaction.

Option 1) I, II, III
Option 2) III, IV
Option 3) I, II, IV
Option 4) II, III, IV

Identify the correct option regarding the term used to measure an element's ability to lose electrons.

Option 1: Electropositivity
Option 2: Electronegativity
Option 3: Valency
Option 4: Density