Animal Kingdom - Classification of Animals: Solved Biology Practice Questions, Test Series for NEET-ug, AIPMT, Entrance Exams, Admission Tests

Solved Biology Objective Questions (MCQ Test Series) for preparation of NEET-ug, AIPMT and Medical Entrance Exams, Dental Admission Tests for MBBS, BDS and other competitions.
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Animal Kingdom - Classification of Animals (Syllabus)
Salient features and classification of animals-nonchordate up to phyla level and chordate up to classes level (three to five salient features and at least two examples). Protozoa. Porifera. Coelenterata (Cnidaria). Ctenophora. Platyhelminthes. Aschelminthes. Annelida. Arthropoda. Mollusca. Echinodermata. Hemichordata. Uro-chordata. Pisces. Amphibia. Reptilia. Aves. Mammalia.  


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Biology Objective Questions: Animal Kingdom and Classification of Animals

 Solved Biology Test Series – Set 3 (Q. No.21 - 30)


Question 21: Body of molluscs is
a. Unsegmented
b. Covered by a calcareous shell
c. Divided into distinct head, muscular foot and visceral hump
d. All of these

Question 22: A sponge can be distinguished by the presence of
a. Coelenteron
b. Choanocytes
c. Tentacles
d. Calcareous skeleton

Question 23: Larval stage of urochordata is known as –
a. Tadpole
b. Miracidium
c. Cercaria
d. Cydippid

Question 24: Incorrect set is –
a. Torpedo – electric organs
b. Trygon – poison sting
c. Carcharodon – claspers on pelvic fins
d. Betta – no operculum

Question 25: Which one is the best silk?
a. Erisilk
b. Mulberry silk
c. Tusser silk
d. None of the above

Question 26: Which one of the following categories of animals, is correctly described with no single exception in it?
a. All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal)
b. All bony fishes have four pairs of gills and an operculum on each side
c. All sponges are marine and have collared cells
d. All mammals are viviparous and possess diaphragm for breathing

Question 27: Which of the following character is exclusive to mammals?
a. Presence of a four chambered heart
b. Homoiothermic condition
c. Respiration by lungs
d. Presence of a diaphragm

Question 28: Which one of the following is not a characteristic of phylum Annelida?
a. Ventral nerve cord
b. Closed circulatory system
c. Segmentation
d. Pseudocoelom

Question 29: First vertebrates attempted to transit from water to land are –
a. Reptiles
b. Aves
c. Amphibians
d. Insects

Question 30: Branchiostoma is an example of –
a. Hemichordata
b. Urochordata
c. Cephalochordata
d. None of the above

India Study Solution
Answers of Biology NEET Questions: Animal Kingdom and Classification of Animals
Solutions of MCQ Test Series – Set 3 (Q. No. 21 – 30)

Answer 21: (d).   Answer 22: (b).   Answer 23: (a).   Answer 24: (d).   Answer 25: (b).   Answer 26: (b).   Answer 27: (d).   Answer 28: (d).   Answer 29: (c).   Answer 30: (b).

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Chemical Bonding and Molecular Structure - Online solved Chemistry Test Series, Questions Answers for IITJEE, NEET, Entrance Exams


Chemistry online solved objective test series (MCQ) with hints helpful for preparing IITJEE, NEET, Engineering and Medical Entrance Exams, Dental, MBBS Admission Tests, Joint Entrance Exams, NEST and other competitions.

Practice Questions Answers (Objective Questions with Solutions)

Chemical Bonding and Molecular Structure
Syllabus :
Chemical combination; Kossel-Lewis Approach to Chemical Bonding; Lattice Energy; Covalent Bond; Octet Rule; Ionic and electrovalent Bond; Electrovalency; Covalency; Writing formula of an ionic compound; Coordinate Bond; Metallic Bond; Bond parameters - bond length, bond angle, bond enthalpy, bond order, resonance structures, polarity of bonds; The Valence Shell Electron Pair Repulsion (VSEPR) Theory; Valence Bond Theory; Geometry of molecules; Hybridisation; Molecular Orbital Theory; Bonding in some Homonuclear Diatomic Molecules; Hydrogen Bonding

Chemistry Solved Test Series: Chemical Bonding and Molecular Structure

MCQ Test Series – Set 3 (Q No.21-30)
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Question 21: The molecule that deviates from octet rule is –
a. CCl4
b. BF3
c. MgO
d. NCl3

Question 22: The sigma and π-bonds present in benzene ring are:
a. Three sigma and three pi
b. Six sigma and three pi
c. Six pi and three sigma
d. Nine sigma and three pi

Question 23: NH3 and BF3 combine readily because of the formation of:
a. A covalent bond
b. A hydrogen bond
c. A coordinate bond
d. An ionic bond

Question 24: Which of the following bonds has the highest energy?
a. S-S
b. O-O
c. Se-Se
d. Te-Te

Question 25: Which is not true for resonance?
a. Identical bonding
b. Identical arrangement of atoms
c. Same number of paired electrons
d. Structure with nearly same energies

Question 26: Which of the following contains both electrovalent and covalent bonds?
a. MgCl2
b. H2O
c. NH4Cl
d. None

Question 27: Which is a covalent compound?
a. RbF
b. MgCl2
c. CaC2
d. NH3

Question 28: Which one of the following species is planar and non-planar with two lone pairs of electrons on the central atom?
a. ClF3
b. XeF5-
c. PCl5
d. BeF5

Question 29: Hybridisation of carbon in CO is –
a. sp3
b. dsp2
c. sp
d. sp2

Question 30: The high boiling point of water is due to:
a. Its high specific heat
b. Hydrogen bonding between the molecules
c. Weak dissociation of water molecules
d. Its high dielectric constant


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Biology Solved Objective Questions, MCQ Test Series for NEET, AIPMT: Reproduction in Organisms

Biology solved objective questions, MCQ test series for preparing NEET, medical entrance exams, dental and MBBS Admission Tests, AIPMT, NEST and many other competitions.      
Solved objective questions MCQ from some of these topics covered (hints / solutions given at the end)
Reproduction in Organisms (Syllabus)
Reproduction, a characteristic feature of all organisms for continuation of species; Modes of reproduction – Asexual and sexual; Asexual reproduction; Modes-Binary fission, sporulation, budding, gemmule, fragmentation; vegetative propagation in plants.

Biology Solutions: Reproduction in Organisms

MCQ Test Series – Set 2 (Q. No. 11-20)
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Question 11: Isogametes are present in –
a. Fucus
b. Cladophora
c. Frog
d. Bird

Question 12: Which type of reproduction is common in multicellular animals with relatively simple organisations?
a. Binary fission
b. Parthenogenesis
c. Sexual reproduction
d. Asexual reproduction

Question 13: Vegetative propagation in mint occurs by –
a. Sucker
b. Runner
c. Offset
d. Rhizome

Question 14: The technique of obtaining large number of plantlets by tissue culture method is called –
a. Plantlet culture
b. Organ culture
c. Micropropagation
d. Macropropoagation

Question 15: Vegetative propagation in Pistia occurs by –
a. Stolen
b. Offset
c. Runner
d. Sucker

Question 16: Anisogamy means fusion of dissimilar gametes. It is found in –
a. Man
b. Earthworm
c. Pila
d. All of these

Question 17:Which of the following events occurs in the zygote during embryogenesis?
a. Cell division
b. Cell differentiation
c. Repeated meiotic divisions
d. Both a and b

Question 18:In grafting stock and scion ought to be joined –
a. Phloem to phloem
b. Xylem to xylem
c. Pith to pith
d. Cambium to cambium

Question 19: Find odd one out w.r.t. plants where grafting is performed –
a. Mango
b. Citrus
c. Apple
d. Sugarcane

Question 20:Male gametes in angiosperms are formed by the division of:
a. Vegetative cell
b. Microspore mother cell
c. Microspore
d. Generative cell

India Study Solution - Biology Objective Questions with Solutions
biology MCQ Test Series: reproduction in organisms
Solutions of Biology Test Series Questions – Set 2 (Q. No. 11 – 20)
Answer 11: (b).   Answer 12: (d).   Answer 13: (a).   Answer 14: (c).   Answer 15: (b).   Answer 16: (d).   Answer 17: (d).   Answer 18: (d).   Answer 19: (d).   Answer 20: (d).

 Reproduction in Organisms - More Objective Questions 

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