Chapter 16: Physical & Chemical Changes - Science Mcqs for Grade 7


Q.  The substance which helps in accelerating reaction is called

a. reactors
b. assistors
c. catalysts
d. catalytic enzymes


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The transfer of pollen grains from anther to stigma of the same flower, or to the stigma of another flower on the same plant is known as
Category: Science Mcqs,   Published by: teswesm
MCQs:  The male reproductive part of a flower contains two round shaped structures at their tip. These structures are known as
Category: Science Mcqs,   Published by: teswesm
MCQs:  As the embryo grows, ovule turns into a
Category: Science Mcqs,   Published by: teswesm
MCQs:  There are two types of flowers in a plant namely
Category: Science Mcqs,   Published by: teswesm
MCQs:  The first part which comes out of a seed is
Category: Science Mcqs,   Published by: teswesm
MCQs:  When seed is sown into soil, the first thing which happens it
Category: Science Mcqs,   Published by: teswesm
MCQs:  Insects pollinated flowers face
Category: Science Mcqs,   Published by: teswesm
MCQs:  A part of plant that keeps on growing over the soil, making other small plants with penetrating roots in the soil and growing of shoots towards the light is known as
Category: Science Mcqs,   Published by: teswesm
MCQs:  Stigma of wind pollinated flower is
Category: Science Mcqs,   Published by: teswesm
MCQs:  A part of plant which is found both in vegetable and fruit is known as
Category: Science Mcqs,   Published by: teswesm
MCQs:  The ball formed in a plant is known as
Category: Science Mcqs,   Published by: teswesm
MCQs:  The petals of the bird pollinated flowers have
Category: Science Mcqs,   Published by: teswesm
MCQs:  After landing on stigma, the pollen grains
Category: Science Mcqs,   Published by: teswesm
MCQs:  Birds pollinated flowers have
Category: Science Mcqs,   Published by: teswesm
MCQs:  Some plants have seeds with hooks for
Category: Science Mcqs,   Published by: teswesm
MCQs:  The surface of a stigma is often
Category: Science Mcqs,   Published by: teswesm
MCQs:  If plants and animals do not reproduce, they would
Category: Science Mcqs,   Published by: teswesm
MCQs:  After the root has grown downwards, a small shoot grows upward, towards light. This shoot is known as
Category: Science Mcqs,   Published by: teswesm
MCQs:  The pollen grains of bird pollinated flowers are
Category: Science Mcqs,   Published by: teswesm
MCQs:  Until the conditions are right for growth, the embryo remains
Category: Science Mcqs,   Published by: teswesm