Biology · PYQ NEET UG 2024
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2022 questions
Biology · BIODIVERSITY AND CONSERVATION
The colonisation of tropical Pacific Islands by humans led to the extinction of more than:
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 →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 →Biology · PYQ NEET UG 2021
Which of the following are not secondary metabolites in plants?
Read answer →Biology · PYQ NEET UG 2022
Which of the following occurs due to the presence of autosome linked dominant trait?
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
Match List-I with List-II: \n List-I List-II A ampR and tetR in pBR322 I Protein involved in plasmid replication B rop II Selectable markers C ori III Recognition site for BamH I D Tetracycline gene IV Origin of replication \n Choose the correct answer from the options given below:
Read answer →Biology · PRINCIPLES OF INHERITANCE AND VARIATION
A cross between a true-breeding tall pea plant (\( TT \)) and a true-breeding dwarf pea plant (\( tt \)) yielded \( F_1 \) plants, which were then self-pollinated to produce 1200 \( F_2 \) plants. How many of these \( F_2 \) plants are expected to be heterozygous tall?
Read answer →Biology · STRUCTURAL ORGANISATION IN ANIMALS
In Rana tigrina, which organ(s) execute respiratory exchange during periods of aestivation and hibernation?
Read answer →Biology · PYQ NEET UG 2023
Radial symmetry is NOT found in adults of phylum
Read answer →Biology · PYQ NEET UG 2017
Which of the following RNAs should be most abundant in animal cell?
Read answer →Biology · PYQ NEET UG 2017
Myelin sheath is produced by
Read answer →Biology · BIODIVERSITY AND CONSERVATION
For frugivorous birds and mammals in the tropical forests of different continents, the slope of the species-area regression line (\( Z \)) is found to be:
Read answer →Biology · PYQ NEET UG 2026
Smooth endoplasmic reticulum
Read answer →Biology · PYQ NEET UG 2025
Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : A typical unfertilised, angiosperm embryo sac at maturity is 8 nucleate and 7-celled. Reason (R) : The egg apparatus has 2 polar nuclei. In the light of the above statements, choose the correct answer from the options given below :
Read answer →Biology · MICROBES IN HUMAN WELFARE
Which bioactive molecule is commercially used as an immunosuppressive agent in organ-transplant patients?
Read answer →Biology · PYQ NEET UG 2026
Adaptive radiation in placental mammals and Australian Marsupials leading to similarity between distant species is an example of
Read answer →Biology · HUMAN REPRODUCTION
Calculate the maximum possible number of seminiferous tubules present in both testes of a healthy adult human male based on standard NCERT anatomical data:
Read answer →Biology · BIODIVERSITY AND CONSERVATION
Given below are two statements: Statement I: India possesses more than 50,000 genetically different strains of rice and 1,000 varieties of mango. Statement II: Genetic diversity refers exclusively to the total number of distinct communities and ecosystems found across an entire continent. In the light of the above statements, choose the most appropriate answer from the options given below:
Read answer →Biology · MICROBES IN HUMAN WELFARE
Which microbial enzyme is used in detergent formulations and is helpful in removing oily stains from laundry?
Read answer →Biology · PYQ NEET UG 2019(2)