Question 2 :
Assertion : Amoeba contains a contractile vacuole.<br>Reason : It helps in both digestion and osmoregulation.

Question 3 :
<p>Atleast a half of the total <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ed0b148c5b3c62621c7a266"/>fixation on earth is carried out by …A… through …B… . Here A and B refers to</p>

Question 5 :
{tex} \mathrm{Assertion}{/tex}: ''Fungi imperfecti'' does not show alternation of generation. <br>{tex}\mathrm {Reason}{/tex}: The diploid phase is present in only zygote.

Question 6 :
{tex}\mathrm {Assertion}{/tex} : Sponges do not show any animal nature. <br>{tex}\mathrm {Reason}{/tex} : Sponges are sessile having specialized structures for capturing food or eliminating wastes.

Question 7 :
Two distinct generations in a single life history are common in

Question 8 :
<p>Which of the following is not a defence evolved by a prey to avoid predators?</p>

Question 9 :
Which of the following is less genera in characters as compared to genus?

Question 11 :
In protozoa like {tex}Amoeba{/tex} and {tex}Paramecium{/tex}, the organ for osmoregulation is

Question 14 :
<p>Earthworms have no skeleton, but during burrowing the anterior end becomes turgid and acts as a Hydraulic skeleton. It is due to </p>

Question 15 :
In which of the following the cell wall has stiff cellulose plate on the outer surface

Question 17 :
Which one of the following is not a characteristic of Phylum Annelida?

Question 18 :
Assertion : Bacteria are classified among plants.<br>Reason : They have cell walls.

Question 23 :
<p>In algae asexual reproduction occurs by the production of different types of spores. The most common type of spore is</p>

Question 24 :
Assertion: Periplaneta americana is nocturnal, omnivorous, household pest. (1992)<br>Reason : It is because it acts as scavenger.

Question 25 :
Which one of the following characters is not typical of the class mammalia?

Question 27 :
In referring to an organism in writing, such as in a newspaper, textbook, or lab report, which of these rules should followed? <br>1. Underline or italicize genus <br>2. Underline or italicize species <br>3. First letter of species should be uppercase <br>4. First letter or genus should be uppercase

Question 29 :
Which one of the following pairs of items correctly belongs to the category of organs mentioned against it?

Question 31 :
<p>Which one of the following does not have an excretory system?</p>

Question 36 :
<p>Which one of the following is not a characteristic feature of the sub-phylum-Vertebrata?</p>

Question 38 :
Viruses that infect bacteria multiply and cause their lysis, are called (2004)

Question 39 :
<p>Reproduction is synonymous with growth in which of the following set of organisms?</p>

Question 42 :
The ascending or descending arrangement of taxonomic categories is called as

Question 48 :
The branch of Botany concerned with the classification, nomenclature and identification of plants is

Question 54 :
Match the animal name (column-I), with its characteristics (column-II), and the phylum/class (column-III) to which it belongs.<br /><br /> <table style="border-collapse: collapse; width: 100%;" border="1"> <tbody> <tr> <td style="width: 33.3333%;">Column I&nbsp;</td> <td style="width: 33.3333%;">Column II&nbsp;</td> <td style="width: 33.3333%;">Column III&nbsp;</td> </tr> <tr> <td style="width: 33.3333%;">(a)Ichthyophis</td> <td style="width: 33.3333%;">Terrestrial</td> <td style="width: 33.3333%;">Reptilia</td> </tr> <tr> <td style="width: 33.3333%;">(b)Limulus</td> <td style="width: 33.3333%;">Body covered by chitinous exoskeleton</td> <td style="width: 33.3333%;">Pisces&nbsp;</td> </tr> <tr> <td style="width: 33.3333%;">(c)Adamsia</td> <td style="width: 33.3333%;">Radially symmetrical</td> <td style="width: 33.3333%;">Porifera</td> </tr> <tr> <td style="width: 33.3333%;">(d)Petromyzon</td> <td style="width: 33.3333%;">Ectoparas ite</td> <td style="width: 33.3333%;">&nbsp;Cyclostomata</td> </tr> </tbody> </table>

Question 55 :
Animals with metameric segmentation, bilateral symmetry and closed circulatory system belong to phylum are

Question 62 :
Which one of the following is a mismatched pair of common name and biological name of an organism?

Question 64 :
In which of the following animals post anal tail is found? (2001)

Question 68 :
Which one of the following phyla is correctly matched with its two general characteristics? <br>(Prelims 2008)

Question 69 :
If sexual stage is discovered in a member of deuteromycetes, it is moved to

Question 70 :
{tex}\mathrm {Assertion}{/tex} : Holoblastic cleavage with almost equal sized blastomeres is a characteristic of placental animals. <br>{tex}\mathrm {Reason}{/tex} : Eggs of most mammals, including humans, are of centrolecithal type.

Question 71 :
Sycon belongs to a group of animals, which are best described as (2003)

Question 74 :
In Arthropoda, head and thorax are often used to form cephalothorax, but in which one of the following classes, is the body divided into head thorax and abdomen?

Question 77 :
<p>The correct sequence of arrangements of segments in the leg of cockroach is</p>

Question 81 :
<p>Some hyperthermophilic organisms that grow in highly acidic (pH2) habitats belong to the two groups</p>

Question 83 :
<p> <font face="Cambria Math, serif">Algae have cell wall made up of</font></p>

Question 85 :
<b>Assertion</b> : Botanical Gardens are ex-situ conservation strategy of plants. <br><b>Reason</b> : National botanical Garden is situated at Howrah.

Question 90 :
Which of the following is the only taxonomic categories that has a real existence?

Question 91 :
The given figure shows some structures labelled as A, B, C and D. Which structure has the protein coat that encloses the nucleic acid?

Question 92 :
<p> <font face="Cambria Math, serif">The main nitrogenous waste of <i>Hydra</i>, is </font> </p>

Question 93 :
Viruses that infect bacterial multiplication and cause their lysis, are called

Question 94 :
<p> <font face="Cambria Math, serif">Which of the following is a flightless bird?</font></p>

Question 95 :
<p> <font face="Cambria Math, serif">The accumulated food reserve in fungi is</font></p>

Question 97 :
<p><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ece38ea5a988945243d342e"/></p><p>I. is a ciliated protozoan</p><p>II. has a cavity that opens to the outside the cell surface</p><p>III. shows water current maintained by cilia which helps the food to be steared into gullet</p><p>Which of the statement given above are correct?</p>

Question 100 :
The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorised as