Description : Deep cleft which divides cerebrum longitudinaly into two halves, known as
Last Answer : Deep cleft which divides cerebrum longitudinaly into two halves, known as
Description : Which one of the following phyla is correctly matched with its two general characteristics? (a) Echinodermata - pentamerous radial symmetry and mostly internal fertilization (b) Mollusca - normally ... Chordata - notochord at some stage and separate anal and urinary openings to the outside.
Last Answer : (c) Arthropoda - body divided into head, thorax and abdomen and respiration by tracheae
Description : Which parallel of latitude divides India into the northern and southern halves. -SST 10th
Last Answer : Tropic of Cancer (23.5° N latitude).
Description : The figures (A - D) show four animals. Select the correct option with respect to a common characteristic of two of these animals. (A) (B) (C) (D) (a) (A) and (D) respire mainly through body wall. (b) ... . (c) (A) and (B) have cnidoblasts for self-defence. (d) (C) and (D) have a true coelom
Last Answer : (d) (C) and (D) have a true coelom.
Description : A flower which can be divided into two exactly equal halves by any vertical planes passing through centre is
Last Answer : A flower which can be divided into two exactly equal halves by any vertical planes passing ... Zygomorphic B. Actinomorphic C. Perfect D. Regular
Description : Find plane of symmerty, centre of symmerty and axis of symmetry (if possible) in the following molecules.
Last Answer : Find plane of symmerty, centre of symmerty and axis of symmetry (if possible) in the following molecules.
Description : Which one occurs in echinodermata? (a) Bilateral symmetry (b) Radial symmetry (c) Porous body (d) Soft skin
Last Answer : (b) Radial symmetry
Description : The organisms attached to the substratum, generally, possess (a) one single opening of the digestive canal (b) cilia on the surface to create water current (c) radial symmetry (d) asymmetrical body
Last Answer : (c) radial symmetry
Description : In contrast to annelids the platyhelminthes show (a) absence of body cavity (b) bilateral symmetry (c) radial symmetry (d) presence of pseudocoel.
Last Answer : (a) absence of body cavity
Description : Bence-Jones proteins possess all the following properties except (A) They are dimers of light chains (B) Their amino acids sequences are identical (C) Their N-terminal halves have variable amino acid sequences (D) Their C-terminal halves have constant amino acid sequences
Last Answer : Answer : B
Description : Identical twins are born when (a) Two sperms fertilise one ovum (b) Two sperms fertilise two ovums simultaneously (c) Open sperm fertilizes the ovum and zygote divides into two separate cells developing independently (d) One sperm fertilises two ovums
Last Answer : Ans:(c)
Description : The plane that divides tha body into right and left haves is called
Last Answer : The plane that divides tha body into right and left haves is called A. Transverse B. Frontal C. Sagittal D. Radial
Description : What type of plane divides the body into superior and inferior?
Last Answer : Need answer
Description : Radial symmetry is found in the flowers of
Last Answer : Radial symmetry is found in the flowers of A. Pisum B. Cassia C. Brassica D. Trifolium
Description : In which of the following phyla, the adult shows radial symmetry while the larva has bilateral symmetry?
Last Answer : In which of the following phyla, the adult shows radial symmetry while the larva has bilateral ... Mollusca B. Cnidaria C. Echinodermata D. Annelida
Description : What has phylum of animal has radial symmetry?
Last Answer : Cnidaria (Hydra, jellyfish, sea anemones, corals, etc.),generally have radial symmetry, although not all sea anemones orcorals do. Echinodermata.
Description : What does asymmetry and radial symmetry have in common?
Last Answer : Nothing
Description : Is the tubular-dorsal nervous system of chordates associated to radial or lateral symmetry?
Last Answer : How does that explain the complexity level of the nervous system reached by the vertebrate evolutionary branch?
Description : What does radial symmetry mean? What is the type of symmetry found in chordates? Which are other phyla of the animal kingdom that present species with radial symmetry?
Last Answer : Radial symmetry means (biologically) that the animal structures are situated in a radial or circular pattern around a center point with nonexistence of sides, like right or left. An ... Echinodermata. (It is considered that the simplicity of poriferans does not characterize any symmetry.)
Description : Radial symmetry is found in the flowers of (a) Brassica (b) Trifolium (c) Pisum (d) Cassia.
Last Answer : (a) Brassica
Description : Radial symmetry is, usually, exhibited in animals which (a) are attached to the substratum (b) have one opening of alimentary canal (c) live in water (d) have ciliary mode of feeding.
Last Answer : (a) are attached to the substratum
Description : Match the following columns and select the correct option. Column-I Column-II (A) Gregarious, polyphagous pest (i) Asterias (B) Adult with radial symmetry and larva with bilateral symmetry (ii) Scorpion (C) Book lungs (iii) Ctenoplana ... ) (iii) (c) (iii) (ii) (i) (iv) (d) (ii) (i) (iii) (iv)
Last Answer : (b) (iv) (i) (ii) (iii)
Description : The animals with bilateral symmetry in young stage and radial pentamerous symmetry in the adult stage, belong to the Phylum (a) Annelida (b) Mollusca (c) Cnidaria (d) Echinodermata.
Last Answer : (d) Echinodermata.
Description : The neutral axis of a beam cross-section must (A) Pass through the centroid of the section (B) Be equidistant from the top of bottom films (C) Be an axis of symmetry of the section (D) None of these
Last Answer : (A) Pass through the centroid of the section
Description : What is a type of reproduction where one organism divides into two and there is no exchange of genetic information.?
Description : What kind of symmetry is shown in animals whose body can only be divided in one plane to show mirror images?
Last Answer : bilateral
Description : If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be (A) Maximum (B) Minimum (C) Zero (D) Infinity
Last Answer : (C) Zero
Description : In satellite communications, what means of attitude control is using the angular momentum of the spinning body to provide the roll and yaw stabilization? A. Spin stabilization B. Radial stabilization C. Three-axis stabilization D. Station keeping
Last Answer : A. Spin stabilization
Description : For a fluid rotating at constant angular velocity about vertical axis as a rigid body, the pressure intensity varies as the (A) Square of the radial distance (B) Radial distance linearly (C) Inverse of the radial distance (D) Elevation along vertical direction
Last Answer : (A) Square of the radial distance
Description : When all cells in the embryo of a multicellular organism are identical. later in development the cells become specialized through a process called?
Last Answer : What is the answer ?
Description : Pick up the correct statement from the following: (A) In a loaded beam, the moment at which the first yield occurs is called yield moment (B) In a loaded beam, the moment at which the ... beam, the neutral axis divides the section in two sections of equal area (D) All the above
Last Answer : (D) All the above
Description : A body is executing simple harmonic motion of amplitude 1 cm. Its velocitywhile passing through the central point is 10 mm/sec. Its frequency will be a.2.99 rps b.2.22 rps c.1 rps d.1.59 rps e.1.77 rps
Last Answer : c. 1 rps
Description : Can you find the axis of symmetry of the graph of y = arctan(x) + arctan(6 - x)
Last Answer : answer:We can start by finding the vertex. So when does dy/dx=0? dy/dx = 1/(1+x^2) - 1/(1+(6-x)^2) = 0. Note that when x=3, this equation is true. So, the line of ... This graph is parabolic, and therefore has only one vertex. 2) This graph is symmetric. This could also be proved using derivatives.
Description : What is the axis of symmetry of f=x^2-16?
Last Answer : 18
Description : Which of the following compounds will have `C_(2)` axis of symmetry?
Last Answer : Which of the following compounds will have `C_(2)` axis of symmetry? A. B. C. D.
Description : Sum of C_(2) & C_(3) axis of symmetry is
Last Answer : Sum of C_(2) & C_(3) axis of symmetry is
Description : What object with reflections symmetry can be created by reflecting it about an axis called the.?
Last Answer : Axially symmetric object.
Description : Which of the following compound posses plane of symmetry ?
Last Answer : Which of the following compound posses plane of symmetry ? A. B. C. D.
Description : Find plane of symmetry and centre of symmetry (if possible) in the following compounds.
Last Answer : Find plane of symmetry and centre of symmetry (if possible) in the following compounds.
Description : Which of the following is a true statement? (a) All chiral molecules possess a plane of symmetry. (b) All achiral molecules are meso. (c) All molecules which possess a single asymmetric center of the S configuration are levorotatory. (d) A mixture of achiral compounds will be optically inactive
Last Answer : A mixture of achiral compounds will be optically inactive
Description : 2-Butanol is optically active because it contains : (a) an asymmetric carbon (b) a plane of symmetry (c) a hydroxyl group (d) a centre of symmetry
Last Answer : (a) an asymmetric carbon
Description : A meso compound : (a) is an achiral molecule which contains chiral carbons (b) contains a plane of symmetry or a centre of symmetry (c) is optically inactive (d) is characterized by all of the above
Last Answer : ) is characterized by all of the above
Description : A molecule is said to be chiral (a) if it contains plane of symmetry (b) if it contains centre of symmetry (c) if it cannot be superimposed on its mirror image (d) if it can be superimposed on its mirror image
Last Answer : if it cannot be superimposed on its mirror image
Description : A man is standing near the edge of a uniformly rotating platform about an axis passing through its centre. The speed of rotation of the platform will decrease if he a.extends his arms outwards b.moves ... heavy bag from one of his friends standing near by and holds it in his hand e.107 dynes
Last Answer : d. accepts a heavy bag from one of his friends standing near by and holds it in his hand
Description : A man is standing ner the edge of a uniformly rotating platform about an axis passing through its centre. The speed of rotation of the platorm will decrease if he a.extends his arms outwards b.107 ... towards the axis of rotation d.jumps out from that platform e.take out his coat and throws away
Last Answer : a. extends his arms outwards
Description : Moment of Inertia of triangular section about an axis passing through its base is given by a.bh3/12 b.bh3/32 c.bh3/36 d.None of the above e.Tapered bearing
Last Answer : a. bh3/12
Description : The moment of inertia of a hollow circular section whose external diameter is 8 cm and interial diameter is 6 cm about the axis passing through its centre is a.66.8 cm4 b.137.5 cm4 c.550 cm4 d.33.4 cm4 e.275 cm4
Last Answer : b. 137.5 cm4
Description : Write the equation of a line parallel to y-axis and passing through the point (–4, –5). -Maths 9th
Last Answer : Solution :- x= -4