In the taxonomic categories which hierarchical arrangement in ascending order is correct in case of animals?

NEET-2022 The-living-World [class-xi ]

• Kingdom, Phylum, Class, Order, Family, Genus, Species
• Kingdom, Class, Phylum, Family, Order, Genus, Species
• Kingdom, Order, Class, Phylum, Family, Genus, Species
• Kingdom, Order, Phylum, Class, Family, Genus, Species
Correct Option: A  [ Kingdom, Phylum, Class, Order, Family, Genus, Species ]

Remark:

In which of the following animals, digestive tract has additional chambers like crop and gizzard?

NEET-2022 Animal-Kingdom [class-xi ]

• Corvus, Columba, Chameleon
• Bufo, Balaenoptera, Bangarus
• Catla ,Columba ,Crocodilus
• Pavo, Psittacula, Corvus
Correct Option: D  [ Pavo, Psittacula, Corvus ]

Remark:

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): All vertebrates are chordates but all chordates are not vertebrates.
Reason (R): Notochord is replaced by vertebral column in the adult vertebrates.
In the light of the above statements, choose the most appropriate answer from the option given below :

NEET-2022 Animal-Kingdom [class-xi ]

• Both (A) and (R) are correct and (R) is the correct explanation of (A)
• Both (A) and (R) are correct but (R) is not the correct explanation of (A)
• (A) is correct but (R) is not correct
• (A) is not correct but (R) is correct
Correct Option: B  [ Both (A) and (R) are correct but (R) is not the correct explanation of (A) ]

Remark:

Which of the following is present between the adjacent bones of the vertebral column?

NEET-2022 Structural-Organisation-in-Animals [class-xi ]

• Intercalated discs
• Cartilage
• Areolar tissue
• Smooth muscle
Correct Option: B  [ Cartilage ]

Remark:

Which of the following is not a connective tissue?

NEET-2022 Structural-Organisation-in-Animals [class-xi ]

• Blood
• Adipose tissue
• Cartilage
• Neuroglia
Correct Option: D  [ Neuroglia ]

Remark:

Tegmina in cockroach, arises from

NEET-2022 Structural-Organisation-in-Animals [class-xi ]

• Prothorax
• Mesothorax
• Metathorax
• Prothorax and Mesothorax
Correct Option: B  [ Mesothorax ]

Remark:

Given below are two statements:
Statement I: Mycoplasma can pass through less than 1 micron filter size.
Statement II: Mycoplasma are bacteria with cell wall.
In the light of the above statements, choose the most appropriate answer from the options given below

NEET-2022 cell-the-unit-of-life [class-xi ]

• correct are Both Statement I and Statement II
• Both Statement I and Statement II are incorrect
• Statement I is correct but Statement II is incorrect
• Statement I is incorrect but Statement II is correct
Correct Option: C  [ Statement I is correct but Statement II is incorrect ]

Remark:

Select the incorrect statement with reference to mitosis:

NEET-2022 Cell-Cycle-and-Cell-Division [class-xi ]

• All the chromosomes lie at the equator at metaphase
• Spindle fibres attach to centromere of chromosomes
• Chromosomes decondense at telophase
• Splitting of centromere occurs at anaphase
Correct Option: B  [ Spindle fibres attach to centromere of chromosomes ]

Remark:

Regarding Meiosis, which of the statements is incorrect?

NEET-2022 Cell-Cycle-and-Cell-Division [class-xi ]

• DNA replication occurs in S phase of Meiosis-II
• Pairing of homologous chromosomes and recombination occurs in Meiosis-I
• Four haploid cells are formed at the end of Meiosis-II
• There are two stages in Meiosis, Meiosis-I and II
Correct Option: A  [ DNA replication occurs in S phase of Meiosis-II ]

Remark:

Which of the following functions is not performed by secretions from salivary glands?

NEET-2022 Digestion-and-Absorption [class-xi ]

• Digestion of complex carbohydrates
• Lubrication of oral cavity
• Digestion of disaccharides
• Control bacterial population in mouth
Correct Option: C  [ Digestion of disaccharides ]

Remark: