Home
Class 10
BIOLOGY
………………….. have evolved in animals as eff...

………………….. have evolved in animals as efficient ways of functioning in the absence of true thought processes.

Text Solution

Verified by Experts

The correct Answer is:
Reflex arc
Promotional Banner

Topper's Solved these Questions

  • CONTROL AND COORDINATION

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS AND ANSWERS (State whether the following statements are true or false: )|12 Videos

  • CONTROL AND COORDINATION

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS AND ANSWERS|25 Videos

  • CONTROL AND COORDINATION

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS AND ANSWERS (Define : OR Explain the terms : )|10 Videos

  • HEREDITY AND EVOLUTION

    KUMAR PRAKASHAN|Exercise PRACTICAL SKILL BASED QUESTIONS WITH ANSWERS|5 Videos

Similar Questions

Explore conceptually related problems

Why reflex arcs have been evolved in animals ? Explain.

State True or False. When we have cold, efficiency of olfactory receptors reduces.

You have learnt that a travelling wave in one dimension is represented by a function y= f(x, t) where x and t must appear in the combination x-v t or x + v t , i.e., y= f (x +- v t) . Is the converse true? Examine if the following functions for y can possibly represent a travelling wave: (a) (x-vt)^(2) (b) log [(x + vt)//x_(0)] (c ) 1//(x + vt)

What do the examples of Dinosaurs having feathers and the birds having feathers suggest in the study of evolution ? a.The reptiles have been evolved from Aves. b.The Aves have been evolved from reptiles. c.Both are the animals of the same class. d.There is no evolutionary relationship between these two groups of animals.

Study following statements (P to R) and choose the correct alternative : P: Those organs which have the same internal structure but different functions are called homologous organs. Q: Organs which have different basic design but have similar appearance and carry out similar functions are called analogous organs. R: The impressions of dead plants or animals that lived in the past are known as fossils. a.Only R is true. b.All the three statements are true. c.Statements P and Q are true, but R is false. d.All the three statements are false.

To detect the taste bud (gustatory receptor) and its function. rarr Put some sugar on your tongue in the mouth. rarr Block your nose by pressing it between your thumb and index finger. rarr Now eat sugar again. rarr While eating lunch, block your nose in the same way and notice if you can fully appreciate the taste of food you are eating. Do you come across a similar situation when you have a cold ?

To visit a town or village after a few years of absence, note down the major developmental changes there. implies Major developmental changes in a village are, (i) New roads have been built (ii) New houses have been constructed. (iii) Factory and new market have been setup. What are the ways in which the materials used in construction can be reduced ?

S-The herbivorous animal take food having cellulose. R - In the intestine of herbivores animals, the bacteria able to digest cellulose are present. (A) Statement S&R both are true But R is explanation of S. (A) Statement S&R both are true And R is not explanation of S. (C) S. is true, .R. is false. (D) S. is false, .R. is true

Give scientific reasons for the following statements: It is not true that human beings have evolved from chimpanzees.