Class name Subject Book title Chapter number Content Created at
Class X Science Science 6 about the pain and the possibility of getting burnt, and therefore move our hand. An important question then is, how long will it take us to think ...
Class X Science Science 6 course, would be at the point where they first meet each other. Nerves from all over the body meet in a bundle in the spinal cord on their way to t...
Class X Science Science 6 central nervous system and the other parts of the body is facilitated by the peripheral nervous system consisting of cranial nerves arising from th...
Class X Science Science 6 control these actions easily by thinking about them even if we wanted to. Do we have to think about or remember to breathe or digest food? So, in b...
Class X Science Science 6 nerve impulse reaches the muscle, the muscle fibre must move. How does a muscle cell move? The simplest notion of movement at the cellular level is...
Class X Science Science 6 and the other independent of growth. 6.2.1 Immediate Response to Stimulus Letusthinkaboutthefirstkindofmovement,suchasthatofthesensitive plant. Sin...
Class X Science Science 6 6.2 ■ Fill a conical flask with water. ■ Cover the neck of the flask with a wire mesh. ■ Keep two or three freshly germinated bean seeds on the wir...
Class X Science Science 6 when we examine the reproductive processes of living organisms. Let us now once again think about how information is communicated in the bodies of ...
Class X Science Science 6 away from where they act and simply diffuse to the area of action. Let us take an example that we have worked with earlier [Activity 6.2]. When gro...
Class X Science Science 6 here is a situation in which some common preparations can be usefully made in the body. These preparations should ideally make it easier to do eith...
Class XI Accountancy Accountancy-II 1 additional capital brought in by the owner or a loan taken from the bank. Both receipts are leading to obligations, the first to the owner (called ...
Class X Science Science 6 in one direction or the other, depending on light or gravity! But if we think about it a bit more, it will become evident that,eveninanimalbodies,g...
Class X Science Science 6 of the secretion of release growth testosterone in males and oestrogen in females. hormone. Do you know anyone in your family or friends who has be...
Class X Science Science 6 nervous system and hormones in our bodies. ■ The responses of the nervous system can be classified as reflex action, voluntary action or involuntar...
Class X Science Science 7 CHAPTER 7 How do Organisms Reproduce? efore we discuss the mechanisms by which organisms reproduce, B let us ask a more basic question – why do org...
Class X Science Science 7 chemical reactions to build copies of their DNA. This creates two copies of the DNA in a reproducing cell, and they will need to be separated from ...
Class X Science Science 7 is therefore linked to the stability of populations of species. However, niches can change because of reasons beyond the control of the organisms. ...
Class X Science Science 7 Observe the surface of the slice with a magnifying glass. ■ Record your observations for a week. Compare and contrast the ways in which yeast grows...
Class X Science Science 7 slide. ■ Put a drop of glycerine on these filaments and cover it with a coverslip. ■ Observe the slide under a microscope. ■ Can you identify diffe...
Class X Science Science 7 and each piece grows into a complete organism. This is known as regeneration (see Fig. 7.3). Regeneration is carried out by specialised cells. Thes...
Class X Science Science 7 some do not. ■ Spread some cotton on a tray and wet it. Place the potato pieces on this cotton. Note where the pieces with the buds are placed. ■ O...
Class X Science Science 7 reproductive parts. On the other hand, the tiny blob-on-a-stick structures are involved in reproduction. The blobs are sporangia, which contain cel...
Class X Science Science 7 It would therefore make sense if organisms came up with reproductive modes that allowed more and more variation to be generated. While DNA-copying ...
Class X Science Science 7 nonreproductive body cells. This is achieved by a process of cell division calledmeiosis.Thus,whenthesegerm-cellsfromtwoindividualscombine during s...
Class X Science Science 7 Science Reprint 2026-27 The swollen bottom part is the ovary, middle elongated part is the style and the terminal part which may be sticky is the s...