Register

Recent questions tagged biology

0 0 votes
1 1 answer
GATE BT 2025 | Question: 26
​​​Correctly match the Microorganisms with their respective Nutrition and energy requirement.\[\begin{array}{|l|}\hline\begin{array}{l|l}\textbf{Microorganisms} & \textbf...
–1 –1 vote
0 0 answers
GATE BT 2025 | Question: 29
​​​Correctly match the type of Hypersensitivity reaction with its respective Example.$$\begin{array}{|l|l|}\hline \textbf{Hypersensitivity reaction} & \textbf{Example} \\...
0 0 votes
1 1 answer
GATE BT 2024 | Question: 5
The relationship that involves the exchange of nutrients between two different species for their mutual growth is called $\_\_\_\_\_\_\_\_$antagonismcommensalismparasitis...
0 0 votes
1 1 answer
GATE BT 2024 | Question: 9
During normal embryonic development of the mice paw, elimination of cells from the inter-digital space is due to $\_\_\_\_\_\_\_$.apoptosismeiosismutagenesisnecrosis
–1 –1 vote
1 1 answer
GATE BT 2024 | Question: 26
Match the disease (Column I) with its biological vector (Column II).\begin{array}{|c|c|c|}\hline \text{Column I} & \text{Column II} \\\hline P. \text{Chagas disease} & ...
0 0 votes
0 0 answers
GATE BT 2024 | Question: 33
The evolution of wings in bats and insects is an example of $\_\_\_\_\_\_\_$ evolution.convergentdivergentneutralparallel
0 0 votes
1 1 answer
GATE BT 2023 | Question: 19
Which one of the following plant growth regulators facilitates adventitious root formation?AuxinZeatin DihydrozeatinKinetin
0 0 votes
0 0 answers
GATE BT 2023 | Question: 27
Match the type of bacteria in Group I with their respective growth properties in Group II.Group IGroup IIP. Halophile1. Grows optimally between $20^{\circ} \mathrm{C}$ an...
0 0 votes
0 0 answers
GATE BT 2022 | Question: 10
Match the component of eukaryotic cells (Column I) with its respective function (Column II).$$\begin{array}{lll} \textbf{Column I} & & \textbf{Column II} \\ \text{P. Lyso...
0 0 votes
0 0 answers
GATE BT 2021 | Question: 19
Which of the following cell organelle(s) is/are surrounded by a single phospholipid membrane?Golgi apparatusLysosomeMitochondriaNucleus
0 0 votes
0 0 answers
GATE BT 2021 | Question: 29
Match the autoimmune diseases in $\text{Group I}$ with the corresponding primarily affected organ in $\text{Group II}$.$$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I...
–1 –1 vote
0 0 answers
GATE BT 2021 | Question: 30
Match hypersensitivity types in $\text{Group I}$ with their corresponding condition in $\text{Group II}$.$$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I} && \textbf{G...
0 0 votes
0 0 answers
GATE BT 2021 | Question: 31
Which of the following combinations of plant hormones and their associated function are $\text{CORRECT}$?$$\begin{array}{|l|l|l|} \hline & \textbf{Hormone} & \textbf{Func...
0 0 votes
0 0 answers
GATE2019: 28
Match the organelles in $Group\; I$ with their function in $Group\; II$.$$\begin{array}&&\textbf{Group I} & \textbf{Group II} \\ &\text{P. Lysosome} & \text{1. Digestion...
0 0 votes
0 0 answers
GATE2020: 38
Match sub-cellular organelles listed in $Group\; I$ with their features listed in $Group\; II$:$$\begin{array}{|cl|cI|cI|cI|cI|c|}\hline&\textbf{Group I} & \textbf{Group ...
0 0 votes
0 0 answers
GATE2020: 40
Determine the correctness or otherwise of the following Assertion [$a$] and the Reason [$r$].Assertion [$a$]: A zygote and its immediate descendant cells are unspecialize...
0 0 votes
0 0 answers
GATE2019: 7
Match the human diseases in $Group\; I$ with the causative agents in $Group\; II$.$$\begin{array}&&\textbf{Group I} & \textbf{Group II} \\ &\text{P. Amoebiasis} & \text{...
0 0 votes
0 0 answers
GATE2019: 10
Which one of the following is $NOT$ a part of the human nonspecific defense system?InterferonMucousSalivaAntibody
0 0 votes
0 0 answers
GATE2016-26
Which combination of the following statements is CORRECT for cyanobacteria?They can perform oxygenic photosynthesisUsually filamentous forms are involved in nitrogen fixa...
0 0 votes
0 0 answers
GATE2016-29
Which of the following events occur during the stationary phase of bacterial growth?Rise in cell number stopsSpore formation in some Gram-positive bacteria such as Bacill...
0 0 votes
0 0 answers
GATE BT 2017 | Question: 18
In eukaryotes, cytokinesis is inhibited bycytochalasin Dvinblastinenocodazolecolchicine
0 0 votes
0 0 answers
GATE2014-51
If protoplasts are placed in distilled water, they swell and burst as a result of endosmosis.The plot representing the kinetics of burst is
0 0 votes
0 0 answers
GATE BT 2013 | Question: 30
Match the antibiotics in $\text{Group I}$ wiith the targets in $\text{Group II}$.$\begin{array}{|l|l|l|l|} \hline & \text{Group I} & & \text{Group II} \\ \hline P. & \t...
0 0 votes
0 0 answers
GATE BT 2012 | Question: 33
Match the products in $\text{Group I}$ with the applications in $\text{Group II}$.$\begin{array}{|C|l|C|l|} \hline &\textbf{Group I} & {} &\textbf{Group II} \\\hline P. ...
0 0 votes
0 0 answers
GATE BT 2012 | Question: 15
During photorespiration under low $CO_2$ and high $O_2$ levels, $O_2$ reacts with ribulose1,5- bisphosphate to yieldone molecule each of 3-phosphoglycerate and 2-phosphog...
0 0 votes
0 0 answers
GATE2018-40
$5'$ capping of mRNA transcripts in eukaryotes involves the following events:Addition of GMP on the $5'$ endRemoval of $\gamma$-phosphate of the triphosphate on first bas...
0 0 votes
1 1 answer
GATE2018-37
An analysis of DNA-protein interactions was carried out using all DNA-protein complexes in the protein data bank (PDB). The frequency distribution of four amino acid resi...
0 0 votes
0 0 answers
GATE2018-31
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]:Assertion: The association constant in water for the G-C base pair is three times...
0 0 votes
0 0 answers
GATE2018-15
Which one of the following statements is true for actin?Actin filament is structurally polarized and the two ends are not identicalDe novo actin polymerization is a singl...
0 0 votes
0 0 answers
GATE2018-14
Cell type A secretes molecule X into the culture medium. Cell type B in the same culture responds to the molecule X by expressing protein Y. Which one of the following mo...
0 0 votes
0 0 answers
GATE2018-10
Which one of the following metabolic processes in mammalian cells does NOT occur in the mitochondria?Citric acid cycleOxidative phosphorylationFatty acid $\beta$-oxidatio...
0 0 votes
0 0 answers
GATE2018-9
Which one of the following is INCORRECT about protein structures?A protein fold is stabilized by favorable non-covalent interactionsAll parts of a fold can be classified ...
0 0 votes
0 0 answers
GATE2018-4
If a segment of a sense strand of DNA is $5'-\text{ATGGACCAGA}-3'$, then the resulting RNA sequence after transcription is$5' – \text{AGACCAGGTA}-3’$$5'- \text{UCUGGUCCAU...
0 0 votes
0 0 answers
GATE2018-3
The repeat sequence of telomere in humans is$5'-\text{TATAAT}-3’$$5'-\text{TTAGGG}-3'$$5’-\text{GGGCCC}-3'$$5’-\text{AAAAAA }-3'$
To see more, click for the full list of questions or popular tags.