Biology · BIODIVERSITY AND CONSERVATION
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Chemistry · CHEMICAL BONDING AND MOLECULAR STRUCTURE
Consider the following isoelectronic pairs/species: \( \text{N}_2 \), \( \text{CO} \), \( \text{NO}^+ \), \( \text{F}_2 \), and \( \text{O}_2^{2-} \). Let \( S_1 \) be the sum of bond orders of \( \text{N}_2 \), \( \text{CO} \), and \( \text{NO}^+ \), and \( S_2 \) be the sum of bond orders of \( \text{F}_2 \) and \( \text{O}_2^{2-} \). What is the value of \( S_1 - 2S_2 \)?
Read answer →Current Affairs · 2026-08-04
What is the total expanded capacity (in MW) of the Meja Thermal Power Project Stage-II being financed by REC and PFC?
Read answer →Chemistry · Structure of atom
If the radius of a nucleus of a heavy atom \( A \) is estimated, what is the approximate ratio of the nuclear radius to the radius of its atom if the atomic radius is of the order of \( 10^{-10}\text{ m} \) and nuclear radius is \( 10^{-14}\text{ m} \)?
Read answer →Current Affairs · 2026-10-06
What was India’s rank in the medal standings at the 20th Asian Games (Aichi–Nagoya 2026)?
Read answer →Chemistry · Structure of atom
What is the energy associated with the first orbit in the hydrogen atom given by \( E_1 = -2.18 \times 10^{-18} \text{ J atom}^{-1} \)? What is the energy associated with the fifth orbit?
Read answer →Biology · CELL THE UNIT OF LIFE
In plant cells, the tonoplast plays a crucial physiological role by facilitating the transport of a number of ions and other materials. What is the direction and nature of this transport relative to concentration gradients?
Read answer →Biology · PYQ NEET UG 2019(2)
What will be the sequence of mRNA produced by the following stretch of DNA? \( 3' \text{ ATGCATGCATGCATG } 5' \) TEMPLATE STRAND \( 5' \text{ TACGTACGTACGTAC } 3' \) CODING STRAND
Read answer →Chemistry · PYQ NEET UG 2017
Predict the CORRECT intermediate and product in the following reaction: \( \text{H}_3\text{C}-\text{C}\equiv\text{CH} \xrightarrow{\text{H}_2\text{O, H}_2\text{SO}_4}{\text{HgSO}_4} \text{ Intermediate (A)} \rightarrow \text{Product (B)} \)
Read answer →Chemistry · Classification of Elements and Periodicity in Properties
Which electronic configuration corresponds to the outermost shell of f-inner transition elements (specifically Lanhanoids and Actinoids)?
Read answer →Chemistry · Some Basic Concepts of Chemistry
What defines a limiting reagent in a chemical reaction?
Read answer →Biology · PYQ NEET UG 2023
Which of the following is not a cloning vector?
Read answer →Biology · The Living World
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Wheat (Triticum aestivum) and Mango (Mangifera indica) are placed in the same Division, Angiospermae. Reason (R): Both Wheat and Mango belong to the same Class Monocotyledonae because both are flowering plants with two cotyledons. In the light of the above statements, choose the correct answer from the options given below:
Read answer →Chemistry · Classification of Elements and Periodicity in Properties
Match List-I with List-II: List-I List-II A \( \text{Na}_2\text{O} \) with water I Forms a strong base \( 2\text{NaOH} \) B \( \text{Cl}_2\text{O}_7 \) with water II Forms a strong acid \( 2\text{HClO}_4 \) C Maximum covalency of Boron III Equal to \( 4 \) due to absence of \( d \)-orbitals D Oxidation state of Al in \( [\text{AlCl}(\text{H}_2\text{O})_5]^{2+} \) IV Equal to \( +3 \) while its covalency is \( 6 \) Choose the correct answer from the options given below:
Read answer →Current Affairs · 2026-09-05
Government e-Marketplace (GeM) and the Textiles Committee signed an MoU to promote recycled and upcycled textile products using which operational model?
Read answer →Chemistry · PYQ NEET UG 2019(2)
The molar solubility of \( \mathrm{CaF_2} \) \( (\mathrm{K_{sp}} = 5.3 \times 10^{-11}) \) in \( 0.1 \) \( \mathrm{M} \) solution of \( \mathrm{NaF} \) will be
Read answer →Biology · PYQ NEET UG 2021
Which of the following are not secondary metabolites in plants?
Read answer →Physics · PYQ NEET UG 2019(1)
Two point charges A and B, having charges \( +Q \) and \( -Q \) respectively, are placed at certain distance apart and force acting between them is \( F \). If \( 25\% \) charge of A is transferred to B, then force between the charges becomes:
Read answer →Physics · MOTION IN A PLANE
A motorboat is racing towards north at \( 25\text{ km/h} \) and the water current in that region is \( 10\text{ km/h} \) in the direction of \( 60^\circ \) east of south as shown in the vector diagram. The direction angle \( \phi \) of the resultant velocity vector relative to the north direction is approximately:
Read answer →Biology · PYQ NEET UG 2022
Which of the following occurs due to the presence of autosome linked dominant trait?
Read answer →Current Affairs · 2026-08-20
With which organization did MeitY collaborate during the event of handing over approvals for new ECMS projects in New Delhi?
Read answer →Physics · Electrostatic Potential
Inside a uniformly polarised dielectric slab, the net charge in any macroscopic volume element \( \Delta v \) is zero because:
Read answer →Biology · PYQ NEET UG 2019(1)
Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to:
Read answer →Biology · Principles and Processes in Biotechnology