11.

Which of the following is a pair of exhaustible natural resources?

• Coal and soil

• Petroleum and water

• Minerals and wildlife

• Natural gas and Sun-light

Which of the following statements is true about endemic species?

• They are not affected by the destruction of their habitat

• They are found only in zoos and botanical gardens

• They are found exclusively in specific habitat

• Endemic species can never become endangered

Which of the following pairs is related to the inheritance of characters?

• Chromosomes and genes

• Chromosomes and mitochondria

• Cell membrane and cell wall

• Cell membrane and chloroplast

Out of the different combinations of terms given below, the correct combination of terms with reference to an animal cell is

• nucleus, plastid, cell membrane, cell wall

• nucleus, chromosome, ribosome, cell wall

• cell membrane, chromosome, ribosome, mitochondria

• cell membrane, ribosome, chloroplast, mitochondria

Consider the following sets of reproductive terms
A. Sperm, oviduct, egg, uterus
B. Ovulation, egg, oviduct, uterus
C. Sperm, testis, sperm duct, penis
D. Menstruation, egg, oviduct, uterus

The sets of correct combination are

• A, B, and C

• B, C, and D

• C, D, and A

• A, B, and D

Which of the following elements must be available in water for the metamorphosis of tadpoles?

• Chlorine

• Bromine

• Sulphur

• Iodine

Which one of the following is not the objective of teaching of Science at upper primary stage?

• Developing questioning and enquiring skills

• Acquiring technological skills

• Acquiring process skills

• Acquiring scientific literacy

National Curriculum Framework (NCF) strongly recommends that Science education at upper primary stage should

• prepare students for competitive examinations

• help students to be emotionally balanced

• help students to acquire computational skills

• follow constructivistic approach for teaching and learning of the subject

Cognitive validity' of Science curriculum at upper primary stage requires that it should

• be age appropriate and within the reach of students understanding level

• convey scientifically correct content

• nurture the natural curiosity and creativity of the learners

• enable the students to appreciate how the concepts of Science evolve with time

Which one of the following does not reflect the personality attribute of a person having scientific temper?

• Seeking evidence

• Biased opinion

• Rational thinking

• Open-mindedness